Based on the chart, how did westward expansion affect slavery in the United States between 1820 and 1850?%0D%0A%0D%0A(1 point)%0D%0AResponses%0D%0A%0D%0AThe slave population roughly doubled as several new slave states were admitted to the Union.%0D%0AThe slave population roughly doubled as several new slave states were admitted to the Union.%0D%0A%0D%0AThe slave population decreased as the U.S. economy became less dependent on agriculture.%0D%0AThe slave population decreased as the U.S. economy became less dependent on agriculture.%0D%0A%0D%0AThe slave population remained roughly the same as the new states admitted to the Union were largely free.%0D%0AThe slave population remained roughly the same as the new states admitted to the Union were largely free.%0D%0A%0D%0AThe slave population remained roughly the same but its percentage of the total population skyrocketed.

The correct answer is: The slave population roughly doubled as several new slave states were admitted to the Union.