Ahhh someone help me plsss Explain the three theories held by many historians on the first people to settle the Americas and the evidence for each Theory

Unlike european immigrants, chinese immigrants in the 1800s faced: a. language barriers b. laws that severely limited entry c. cultural differences d. nativist sentiments

Under president reagan, the united states began to develop the strategic defense initiative, nicknamed "star wars.” what was the goal of that plan?

An alliance of two political parties is know as? a. majority b. coalition c. candidate d. government