CINXE.COM

<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="390"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "blog.gale.com",cType: 'managed',cRay: '920bd8d5eb90ce7a',cH: 'rP34eWkU3bzuoDp0QGHs1RinEwhJ_2avxts.v2y9MF8-1742039990-1.2.1.1-hBMpqJd6K42X7G2oQhUt7bmxqq5EVzjLL4CSyLqffZkXRVLMwdZs.oD1L0p8dIeK',cUPMDTk: "\/tag\/k12\/?__cf_chl_tk=m6NmwEIYLqzn0L6OGlyDvEoDyVHCJoXsVx0BJc4gtiQ-1742039990-1.0.1.1-lZlL2vttGJ.AdGwI_pszS_TaY.IPH1m0tZincjtbavo",cFPWv: 'g',cITimeS: '1742039990',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/tag\/k12\/?__cf_chl_f_tk=m6NmwEIYLqzn0L6OGlyDvEoDyVHCJoXsVx0BJc4gtiQ-1742039990-1.0.1.1-lZlL2vttGJ.AdGwI_pszS_TaY.IPH1m0tZincjtbavo",md: "MeGZtTkSwAlVAHiPwkekKpKblyV8a7cSRIbdtRLQj94-1742039990-1.2.1.1-8dHnRa_8S429zMssy6EdSc4HH1TVZbyj9cp70lpiHRtdWfYmWRo7b3aqn4at4rtca5UXnkZKHnVTwdsmJltYCy43sfVWQEVFu_eTtQQDd3b7hk9croVSQRMSgLeVP07A5td_AdYo5SRdiTFWFqFT.DMZtFbENMmmqxJS1JycaxgWvvzy4oDyaeaJA_ruUIVc0fvuIOwkOS_yQfkMl1J7z5GRI1OpgKSNsKj0uRzXjS2mCFGOMY9BcWZZhqgIBzxIcGq3j.LzbAV1Q93siIDf2NPSVAJIXyvfFGenhBz02wMPnW.ch1bMRtgcehRY395PBdOoRtgZ3lc0ywn0b7VBKxqg9SNJt_CrUNAc9ztAbXjhZSpScig9iWS9xupSPrul1dN3fM4Ot8vv1lcqbwKeEeOZSDdEVKvT.e9iv0G9Tt7G9vK2jwKFHQO.x1Iex0l9X3UUUMLEbwtionHQJBUmadsFfYbM9tNP6ugDeLVOk3sJhn.h2odrkozWLOo4kDLX7H8p4_UV9LlYAJlivyX87RucCYs1lrIZeJv6fuPMnOWDXNNTIphZjTUzZYbeTIS3Kt81ax479Mem3zHgygNE.CschKxlo_zVdUZj5vdxA32iUYKnHdn_ATvTxNafj18M.sesvwQn3mHVkS5ihXZHj53.z_Dz1PEo0B188lL4Pt2K36IbrOicAoFu.zTZ8GGw7YWA7JX49kaPcxgLSCXTvjSLRp.E.5ZVRDvLvQyr3tXVyMsMug9jsSRyeeevBfV25icAREt6hAgEleWV3Utg1OYKGewJAp17NE4ZHeRUgyiJ.aokIbHMqTw6oNamqMCHBwGhMI69hg.Vk.VnqZ9ZOcxmLoRbr2AIhoxn8AGmPywg1Ffyf4n83iPv5u6JredRxdU2THMLSPWX.6CStAsKiECCmsInouX4CjKeWRIR7TEIBuQDEBJzB9YyxoEqKLidwD4x1pvqP6_5vGIUnhD58fjgS7miMSKy5hoiz__qdJwkefF7adVivUvy6X43DR_vbjEsjeurj_uBYgmdc8wif9dPc9c77GDufmZ_O2QGU8c15QrZ_rEaFcEzfEHvgKiY8jTMyHdBFKFc1Ke.cAV5tP.oTyVB9_rsZqdxBkVmO0.Ti38aq8xQL4qvUeUlZWjfqGH9XPDbNSEUQtcW5glQnu.CoP90s0eY3nfZUZI0HK2hp2PhWk1zPKXRgD.xNbhZBj04byxqBUaSjpscjRd.DEILYrmn6xIkTx5CSCO9gsQ",mdrd: "tnMz6SoLoIB3uTDk1s7l3.oTVRn6i4z0oDKZOyeT69w-1742039990-1.2.1.1-SCht.RiOTkPekdukL7b3Om54FTE26Cg6oc5.6dcg1VupnRIat3bNG6bT7KzBqYTPi0WvUdnKZxt9hJv5vRJ5apItg4k.lTW2xJlAb6uWiaNQMGfoLImg7sAt8qr9ur9.6NSmLFl9dGcDrWh0ffFACd3w2PmIgvlSeqhjWdl5AHr7lbIe8pTmFJcwg14yzPx77Mu_jDPws_qaTDQ7cuiIouB4gXMuNXUAD2863ZavAA0dEYFVQjD608Uet6bXJc99npFI0Iehs5j4ECwBlMhz0NtR0zhKWLFSV9Ly3E32IKih2Ye0Gk4IEnwNPe9d0OHai5LHnlkkrxDQcpux46STc.nHqGsrxaeS6dpqDpQqIyWBLmmCsELRzzzMjJvKuxdlLfSshiip0DJuJLRA0EPwdiZ81HDathPKpfhor7zw_bv.YtijCIs9mWB1XMM4g5YDz8EOLioL_ZD4w2j5NCacYD.LhK_5gfOJO0moZoOHOT31HQeKdibbjTDC_sA2qICtu6TNrLzI4lg7rbW2Hrj7PKK3jn2HxvLeDVyIRyhZ96Cg6A4T2bW7j..GPRJ_9bWUi2SS1bcf4BEGDGLnTh9Z54XpN.AQowAftZE5NOCSg4LgWb3VdTH2gWdx4Yt0Bfljhdp5RLpTzXOCnWUJ3mC1TpZvsH9LZkrOkMJKg_LCwPFyAZa2R7jUja10ZFiGHlk1pjt2N63PJhuWq2Ga2pr8wU6jkERAI_DQ_FS9ejmYPDzi7vwSicNXDktMMBiBLUDt9AR6yNUunlsI3lHDF8ql71v_b7_A_8Vi8lBD6l5g.pat.PB_pf9l16gleQwQwtQGuDuarTWjax2p.WB66Qf0.MASpINsKqx1GoCXRyCoJGTL_78j0ugzPfN14ECnN_aAd8_vd5_i9IVqWuwySQXjefq4xrDKGu9c4YMJKbkeDEVmcYoQ5xIf57AmMM8Q77oReMoAuHATcEa2KZ.zWvIDq11NqHyJC4hM.sp4m8jvQCLDY9f.Ls6eoU7JU88NtlVNLuadG8OOxadZkwtjC68upZ3nMktAgf2.dy_F.LlDKD70.YXZ3qRHR2lUDxZOCNNo3_X8lWCPFSxVEcZsEbw8oRIeZfgT.LYL0hZaMq8aHui3yjCEmgp7xsgJ4SX3xw7IIQTN.2oWPTPTvXpXTkVuXW.3kDC3Eup2g1MytXDw.4Qq_L5jevji8L6Brrj.HX09WLPsincVATjHDLx9ApDX04xY9zODsfm85oYg4hLULnkkdu6x2qUnrtc6UOxEAB5zMjj9m6EZc3_kWWZlLc1uH6HNcoZUMyl51Qy7s2o1GDVr4FWe122UQtQhEkDncgFa9oYe1TxSisWoYuwrjUV4_IOIjsbHZCW.ir.k4TCgtATBBHiTn7jCaq5ewAR87U5tYyMmxVnGn7lKCuxJ_YhYc3GqKt1xocFhshurxyjD0mTcppt69YW8nTFlRoWjWdy.fWbS0S6aUlCTSFO1GzVtWGmc1RKFu7yj1l15g1Ujg8YD1PIJxBEU3BU0O2UqzbEy75iFPZYfrA52VcWITw6OukzxEVzRa7mz1Dp5DXX1wK9hl1bCwUF6SEqa6ZLrShE3Cc0qU8iTEm6EPX0MUcUAF9yCGE4HYGbJIZ2UhUcCFom_2cWP2rLnYwrTvpHjqSBkkXVeHCap05L_ZfCGV_cpwU9a0oqP6RHt5rHKf2dESz5_aPWoA01xNueLc.uawpNI8XGF6M8a0O0l83LPBmBKJJEx235wBpO_RPbXN0k13ssH3KaBMUd4Vlm05mkNMDT9NEpMp.BdjlB2HqwACtqi_AIVsq1P4XRjPCoJk3RQf1E11liHlmhLyI5nx8WzK_jNiJuUDqk2nri3lTFTHCBuTlGBh31Wb3xJLPKz7yPF3FTqmo_a297m.jVVVtESmVRsHyc9zXbxP.D6_jlf8mu7zP7zBfAerGgFVZAnOee7DpnScjP10IQyju9wlNg121HhyZ_yQMxyj3.Mn5vPUm7ZvK7OiIxYfg1H6Q.e_K5LIwgiCSawvfBmWDyqR2afdUqvB1V6ZjhXExq7NRERa4UD4Q"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=920bd8d5eb90ce7a';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/tag\/k12\/?__cf_chl_rt_tk=m6NmwEIYLqzn0L6OGlyDvEoDyVHCJoXsVx0BJc4gtiQ-1742039990-1.0.1.1-lZlL2vttGJ.AdGwI_pszS_TaY.IPH1m0tZincjtbavo" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>