Which were major causes of conflict between native americans and white settlers in the 1800's

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.

Why do you think this exchange happened in a private meeting?

President franklin d. roosevelt was born in 1882 in new york. which number on the map represents the state of new york?