Why did the american stock exchange collapse?

Which man believed that african americans should actively fight for the rights they deserve, even if they put their lives in danger?

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

What is the shaking of the earth 's surface due to sudden movements called?