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 term describes a philosophy that supports representative government, human rights, and political equality? a. social contractb.liberalismc. serparation of powersd. absolute monarchy