Who discovered the bones of a hominid 1.8 million years of at olduvai gorge?

Use the drop-down menus to choose the letter that correctly identifies each geographical feature. andes mountains: caribbean sea: gulf of mexico: pacific ocean:

How was hitler able to take control of czechoslovakia? ? a) czechoslovakia was forced to break its alliance with france & the soviet union to appease hitler b) without resistance, he extended his control of the sudetenland to include all of czechoslovakia c) the czechs reluctantly agreed to provide “lebensrum, or living space to the germans d) he was given czechoslovakia by great britain and france in keeping with the policy of containment. appreciate the

What were two theories put forth by marx?