Was george washing the only president to fight in the battlefield

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.

How did american entry into world war i affect the allied powers?

Before the civil war, the constitution protected slavery -true -false