Which of the 4 MAIN causes of the World War I most preserved the balance among European countries?

How do conflict minerals, and in particular, conflict coltan get their name? what groups benefited from the trade in conflict minerals? what group were hurt by it?

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 of the following would one might expect to be a characteristic of an edge city? (1 point) i. tenement housing ii. office parks iii. stable infrastructure iv. ghettoization i only iii only i and iv ii and iii iii and iv