When did people first arrive in the americas

30,000 to 40,000 years ago

Explanation: They believe the first humans came across the Bering Strait from Asia into what is now the United States.

Almost everyone has heard the the phrase "in 1492, columbus sailed the ocean blue" he was one of the first people to arrive for the spanish, he arrived in the area of where cuba and caribbean. before him were the vikings if I am correct, they were lead by leaf ericson.

Explanation:

the navigation act prevented the colonies from exporting to countries other than britain and it prevented the importation of goods by other countries as well. so i believe the correct answer is d. other nations could not deliver goods to the colonies.

hope this .

what was the significance of the plessy vs ferguson ruling and jim crow laws

answer the impact. plessy v. ferguson allowed 'separate but equal, also known as segregation, to become law in the united states