{"version":"1.0","provider_name":"International Worker&#039;s League","provider_url":"https:\/\/litci.org\/en","author_name":"litci","author_url":"https:\/\/litci.org\/en\/author\/litci\/","title":"Engels\u2019 Ecological Dialectical Materialism - International Worker&#039;s League","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"sybxG9jCp5\"><a href=\"https:\/\/litci.org\/en\/engelsecological\/\">Engels\u2019 Ecological Dialectical Materialism<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/litci.org\/en\/engelsecological\/embed\/#?secret=sybxG9jCp5\" width=\"600\" height=\"338\" title=\"&#8220;Engels\u2019 Ecological Dialectical Materialism&#8221; &#8212; International Worker&#039;s League\" data-secret=\"sybxG9jCp5\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/litci.org\/en\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/i0.wp.com\/litci.org\/en\/wp-content\/uploads\/2020\/12\/Engels-red.jpg?fit=800%2C450&ssl=1","thumbnail_width":800,"thumbnail_height":450,"description":"It is undeniable that Marx was deeply curious about the development of the sciences of his time. Not only the natural sciences but also the humanities, which was evident in his notebook on Lewis Henry Morgan, which eventually became the raw material of the book The Origin of the Family, Private Property and the State, [&hellip;]"}