Al-Khwarizmi developed algebra.
Colonial Vulnerability can be seen in the images of
~ wild savages attacking helpless colonists
~ colonists suffering from awful diseases and starvation
~ inhospitable places
It was the "c. Kellogg-Briand Pact" that discussed global disarmament and Pacific security (although it ultimately failed), and the reason why it could be argued that the Beer Hall Pusch was a successful event in Adolf Hitler’s political career was because "<span>d. It increased his popularity among both government and public sectors," since it was such a bold move. </span>
Maybe because they both had different perspectives about it.
Hunters and gatherers were mainly scavengers and lived off of what they could find and agricultural communities could grow their own food and also sell it for a profit with no worries. Hope this is right! :)