← Back to the front page
American History

Not Just Slavery: 15 Events That Led To The U.S. Civil War

Darren February 20, 2026 7 min

5. The Annexation of Texas (1845)

5. The Annexation of Texas (1845)
Texas’s 1845 annexation intensified sectional tensions, foreshadowing conflicts over slavery and territorial expansion.

The annexation of Texas in 1845 added a vast slave-holding region to the United States, intensifying sectional tensions. The heated debates over its admission as a slave state highlighted the nation’s deepening divisions over slavery’s expansion (history.state.gov). This event set the stage for broader conflicts, including the Mexican-American War, further polarizing the nation.

Written by
Darren

Keep reading

How Imperial Japan Enslaved Up to 200,000 Women — Then Burned the Evidence
American History

How Imperial Japan Enslaved Up to 200,000 Women — Then Burned the Evidence

Sean Alison · 12 min
Lincoln Had Almost No Navy in 1861 — So He Overruled His Own Admirals
American History

Lincoln Had Almost No Navy in 1861 — So He Overruled His Own Admirals

Tim Flight · 14 min
Truman Fired His Most Famous General at 3 a.m. — and America Nearly Revolted
American History

Truman Fired His Most Famous General at 3 a.m. — and America Nearly Revolted

Wyatt Redd · 10 min
Advertisement