HELP! WILL GIVE BRAINLIEST Which of the events listed had most affected the early development of the United States? Why do you think so? What were the effects of the event?

The War of 1812

The Louisiana Purchase

The Monroe Doctrine

Which constitutional amendment resulted in part from unconventional forms of participation in the 1970s?

In 1983 nixon became the first us president to

Which of the following is not true of the xiongnu empire? burial mounds included glass beads and mirrors made from the sands throughout the region. there was more cooperation through trade between the tribes. other tribal units that were eventually assimilated were indo aryan, xianbei, hunyu, scythina and han chinese. as each nomadic tribe and civilization was conquered or absorbed into the larger empire, the xiongnu were able to hold more territory.