Explain how and why historians use organizations principles to make sense of the past

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.

Where were the trials to review evidence in cases against high-ranking nazi officials accused of war crimes held?

Which one of the following statements best characterizes change to agriculture in the united states since 1900