What era in our history have presidents NOT attempted to get approval for war in the most?

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 was the development of an alphabet an important advancement for the phonician civilization? check all that apply

Which agency is under the authority of the department of labor? sec osha epa fda