Which number on the map shows the approximate location of the end of the Aryan migration? pls help will give brainliest pls help

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.

During the cold war, which of the following groups of countries would have all been"behind the iron curtain"

What do the differing approaches of booker t. washington and w.e.b du bois suggest about their views of american society?