Industrial Revolution: The Industrial Revolution was a period of rapid industrialization that brought about major economic and social changes during the 18th and 19th centuries. It led to urbanization, increased production capabilities, and new labor systems which ultimately contributed to societal shifts.
Second Great Awakening: The Second Great Awakening was a religious revival movement that swept across America in the early 19th century. It emphasized personal piety, moral reform, and social activism. This religious fervor played a crucial role in shaping societal attitudes towards issues like slavery.
Manifest Destiny: Manifest Destiny was the belief prevalent among Americans during the mid-19th century that it was their destiny to expand westward across North America. This expansionist mindset resulted in territorial acquisitions but also raised questions about slavery's extension into newly acquired territories.