How did the isolationist action of the united states affect lasting peace in europe after world war i

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.

Select the correct answer. what are concurrent powers? a. powers granted solely to state governments b. powers granted to the national government c. powers transferred between government leaders d.powers shared between national and state governments

Explain how scientist from the scientific revolution and the catholic church tie together