What are the causes of global poverty ? ?

What is zinn's approach to the study of history? what does he suggest occurs when history is told is the story of human progress?

Which subsystem includes the air we breathe

Ineed this now complete the paragraph about social darwinism. social darwinism to justify by suggesting that it is natural and acceptable for powerful and wealthy nations to colonize regions that are less powerful. used this theory to justify the practice of political, economic, and cultural colonialism.