Some scholars believe that people from asia arrived in the america's about 15,000 years ago according to this theory wha was the reason these people came

The folsom culture was replaced by the plano culture. clovis culture. american indian culture. paleo-indian culture.

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.

The delegates of the second continental congress who were ready to declare independence were from which area? a. new england b. the southern colonies c. quebec d. the middle colonies