Why did the national colonization law make settlers negotiate with state governments? Please helppp

After the attacks of september 11, 2001, the united states demanded that

In 1912, the imperial system that had ruled over china for thousands of years

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.