What change took place in the african slave trade in the 1500's?

Why did jefferson make the louisiana purchase?

Space is not completely empty. there are small particles in space. what happens when these particles come together?

Use the drop-down menus to choose the right phrases to complete the fourth amendment. the fourth amendment states that "the right of the people to be secure in their persons, houses, papers, and effec against unreasonable shall not be violated, and no warrants shall issue, but upon the exclusionary rule states that evidence cannot be admitted if it was gathered during intro done