I'll mark brainliest if correct

Explain in detail the events that led to the fall of the soviet union. explain the importance of the foreign policy shift from brinkmanship to détente during the cold war.be sure to include evidence to support your answer describe the challenges to nation-building that exist in africa today .

Recently, there has been pressure to loosen clean air standards. use economic arguments to support or oppose this proposed action.

How many states were there when the constitution was written?