What were the motives of new imperialism of the 19th century?

Describe the technology advancements that lead to explorers being able to sail great distances. [[ps: doesn't explain where. i am only speculating it's in europe.

Which of the following cultures were among the earliest known inhabitants of north america? a) mayab) incac) anasazi d) olmec

Why do you think alexander hamilton wanted to pay back the bonds from the confederation government