Why did the arab nations of the organization of petroleum exporting countries (opec) impose an oil embargo on the united states and its allies in the 1970s?

Rivalries between european imperialist powers and the growth of european militaries contributed to which outcome in the early 20th century? o a. many european powers were eager to go to war with one another. o b. european states became less concerned about controlling overseas empires. o c. small countries became more willing to join powerful empires. o d. the alliance system that maintained a balance of power in europe broke down.

Why do you think jefferson thought lewis was qualified to explore the louisiana purchase? ?

How is the principle of states rights reflected in the declaration or the articles of confederation