pls help me i will give brainliest for the right answers and since im already giving 15 points brainliest should give about 8 extra points

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.

Which choice describes some of the difficulties john adams faced as presiden

What was the significance of the battle of saratoga