Who is the most important thing in life

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.

What was the most common destination for african american migrants between 1910 and 1930

Brainliesttt asap!me : describe the responses to terrorism in the united states.