Which topic is often used as a theme for studying world history since world
war 1?
o
a. declining interest in human rights
o
b. social and cultural isolation
o c. european imperialism and colonialism
o d. unresolved global conflicts

Unresolved global conflicts

Explanation:

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president thomas jefferson hoped that the embargo act of 1807 would the united states by demonstrating to britain and france their dependence on american goods, convincing them to respect american neutrality and stop impressing american seamen. instead, the act had a devastating effect on american trade.