document.write('<span class="PubAdAI" id="08EF7A78-9AA3-482A-85BC-D9F3771BACB2">');PubMatic.pmAdInfo.setNetworkId('0',165,0,0.500000,0.000000,'',0.000000,'08EF7A78-9AA3-482A-85BC-D9F3771BACB2');var str = '%3Cscript%20type%3D%22text%2Fjavascript%22%3E%0Aif%20%28%21window.OX_ads%29%20%7B%20OX_ads%20%3D%20%5B%5D%3B%20%7D%0AOX_ads.push%28%7B%20%22auid%22%20%3A%20%22540813668%22%2C%22url%22%3A%22https%3A%2F%2Fwww.britannica.com%2F%22%2C%20%22ref%22%3A%22britannica.com%22%7D%29%3B%0A%3C%2Fscript%3E%0A%3Cscript%20type%3D%22text%2Fjavascript%22%3E%0Adocument.write%28%27%3Cscr%27%2B%27ipt%20src%3D%22%2F%2Fstreamlyn-d.openx.net%2Fw%2F1.0%2Fjstag%22%3E%3C%5C%2Fscr%27%2B%27ipt%3E%27%29%3B%0A%3C%2Fscript%3E%0A%3Cnoscript%3E%3Ciframe%20id%3D%22a6545a333a%22%20name%3D%22a6545a333a%22%20src%3D%22%2F%2Fstreamlyn-d.openx.net%2Fw%2F1.0%2Fafr%3Fauid%3D540813668%26url%3Dhttps%3A%2F%2Fwww.britannica.com%2F%26ref%3Dbritannica.com%26cb%3DINSERT_RANDOM_NUMBER_HERE%22%20frameborder%3D%220%22%20scrolling%3D%22no%22%20width%3D%22360%22%20height%3D%22300%22%3E%3Ca%20href%3D%22%2F%2Fstreamlyn-d.openx.net%2Fw%2F1.0%2Frc%3Fcs%3Da6545a333a%26url%3Dhttps%3A%2F%2Fwww.britannica.com%2F%26ref%3Dbritannica.com%26cb%3DINSERT_RANDOM_NUMBER_HERE%22%20%3E%3Cimg%20src%3D%22%2F%2Fstreamlyn-d.openx.net%2Fw%2F1.0%2Fai%3Fauid%3D540813668%26cs%3Da6545a333a%26url%3Dhttps%3A%2F%2Fwww.britannica.com%2F%26ref%3Dbritannica.com%26cb%3DINSERT_RANDOM_NUMBER_HERE%22%20border%3D%220%22%20alt%3D%22%22%3E%3C%2Fa%3E%3C%2Fiframe%3E%3C%2Fnoscript%3E';
document.writeln(decodeURIComponent(str));
document.write('<iframe name="pbeacon" frameborder="0" allowtransparency="true" hspace="0" vspace="0" marginheight="0" marginwidth="0" scrolling="no"  width="0"  height="0" style="position:absolute;top:-20000px;" src="https://aktrack.pubmatic.com/AdServer/AdDisplayTrackerServlet?operId=1&pubId=156957&siteId=600073&adId=2260887&adType=3&adServerId=165&kefact=0.500000&kaxefact=0.500000&kadNetFrequecy=0&kadwidth=300&kadheight=250&kadsizeid=0&kltstamp=1583726230&indirectAdId=2024199&adServerOptimizerId=1&ranreq=0.4083035965450108&kpbmtpfact=0.000000&dcId=2&tldId=0&passback=11&svr=ADS88402U&ekefact=lr5lXubSBQBj-huRmv1Cx58wg6-fb_PgiqM9rVIpJTqgw-JF&ekaxefact=lr5lXvzSBQCvfE71D7FAEOsqVz5Xl1hwmWfqYl_jqgA4GjXw&ekpbmtpfact=lr5lXg_TBQDsdM_6Ho41n1raclMIcFk6PFsY4_zNS1cB_D5L&crID=0&campaignId=0&isRTB=0&imprId=08EF7A78-9AA3-482A-85BC-D9F3771BACB2&oid=08EF7A78-9AA3-482A-85BC-D9F3771BACB2&cntryId=232&domain=britannica.com&pageURL=www.britannica.com&sec=1"> </iframe>');
document.write('<!-- PubMatic Ad Ends --> </span>');/* ADS88402U:A1064251-9150-4C7F-8E46-C2D0C5D73663 *//* etsdiff:1228 *//* u_ts:2020-3-9%203%3A57%3A9, u_tz:0 *///