Can someone help me with number one?

Brainliesttt ( look at the image attached) according to the map, yugoslavia was no longer aligned with the soviet union after 1948 was a satellite nation of the united states after 1948 became a part of the soviet union in 1948 was never a part of the eastern bloc

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.

How did the completion of the transcontinental railroad change the lives of american citizens? a-it increased the wealth of all americans and enabled them to travel more.b-it made cross-country travel too expensive for ordinary americans.c-it decreased the safety of americans who moved to settle the plains.d-it shortened travel time between the east and west for all americans.