Answer:
the U.S. had withdrawn all its troops, the fighting in Vietnam. South Vietnam officially surrendered to North Vietnam on April 30, 1975.
Andrew Jackson was one of the most powerful and influential presidents of the nineteenth century. Jackson implemented polices that profoundly affected the territorial, political, and economic development of the united states. He organized the relocation of more than 90,000 indians from the eastern united states to territories west of the Mississippi River. He strengthened the union by rejecting South Carolina's claim that it possessed the authority to nullify federal laws. AND he destroyed the bank of the united states, leaving the nation without a central bank capable of monitoring the nations money supply. He was considered the common mans president. He was also involved in many duels.
Radiation its visible light that we see during the day.
The presence of various African groups in the Americas led to the development of multiracial and multicultural societies in various parts of the world.