Please help me. What were the benefits and/or drawbacks of the US being involved in Afghanistan for 20 years?

How was louis and clark expedition event unfolding and what was going on

Write two paragraphs to explain how the cold war changed after the 1960s. first, identify the ways it changed during leonid brezhnev's leadership in the 1970s. then, explain how the cold war changed when ronald reagan was in office in the early 1980s. include supporting facts and details from the text in your response.

An outcome of which rerutions) resulted in conflict and a temporary return to absolute de