Which of the following best describe how most Africans came to the American colonies?

Which of the islamic empires (ottomans, mughals, safavids) were the most influential and why?

Which of the following acts or treaties tried to american indians?

Began during presidency of john q. adams tariff of 1828 and 1832 states’ rights versus federal authority john c. calhoun’s ‘proclamation to the people of south carolina’ concluded during the presidency of andrew jackson is which event are these characteristics describing