Why did some ancient civilizations develop into empires while others did not?

How would you describe the state of germany between 1815 and 1848

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.

What was alexander hamilton‘s plan to speed up industrialization in the united states