Answer:
3)European nations sent explorers to the Americas
Explanation:
After European nations sent explorers to the Americas, the explorers would interact with the Native American populations there. The interactions included sharing foods and spreading disease. Africans were brought to the Americas as slaves after Europeans had begun settling in the Americas.
I am not sure if this is right but I think its C. Harmful.
I hope you get it right.
The notion that the distinction between state and national responsibilities is unclear and that the different levels of government share responsibilities in many areas is known as <u>"cooperative federalism".</u>
Cooperative federalism alludes to an idea in which the state governments, nearby governments, and the government share duty in the administration of the general population. They cooperative in working out insights concerning which level of government assumes liability for specific territories and making arrangement here. The idea of cooperative federalism set forward the view that the national and state governments are accomplices in the activity of administrative expert. It is likewise alluded to as the new federalism.