Based on the chart, how did westward expansion affect slavery in the United States between 1820 and 1850?

(1 point)
Responses

The enslaved population remained roughly the same as the new states admitted to the Union were largely free.
The enslaved population remained roughly the same as the new states admitted to the Union were largely free.

The enslaved population roughly doubled as several new slave states were admitted to the Union.
The enslaved population roughly doubled as several new slave states were admitted to the Union.

The enslaved population remained roughly the same but its percentage of the total population skyrocketed.
The enslaved population remained roughly the same but its percentage of the total population skyrocketed.

The enslaved population decreased as the U.S. economy became less dependent on agriculture.
The enslaved population decreased as the U.S. economy became less dependent on agriculture.

The chart is not provided, so it is not possible to accurately determine how westward expansion affected slavery in the United States between 1820 and 1850 based on the given information.