Answer:
popular sovereignty
Explanation:
let states decide wether or not to allow slavery. hope this helps ! :)
Many people who immigrated to the United States during the Gilded Age moved to urban city areas, since this was where a majority of the new jobs could be found.
It was approved by the Congress in 1972.
Specifically, it happened on March 22 of this year. Congress set a deadline for state ratification for 1979, but this deadline was not met.
Answer: Hostile Indian Atacks
Explanation: I did some reaserch on the history question and this is what i found.