Answer:
americans had an institution of enslaving africans and african americans
The need for a stronger Federal government soon became apparent and eventually led to the Constitutional Convention in 1787. The present United States Constitution replaced the Articles of Confederation on March 4, 1789.
The election was held on Tuesday, November 6, 1860. ... The election of Lincoln served as the primary catalyst of the American Civil War. The United States had become increasingly divided during the 1850s over sectional disagreements, especially regarding the extension of slavery into the territories.
