What was an underlining source of tension in westward expantion during the 1850's

Slavery was forbidden in newly acquired territories.

The slave trade was outlawed in Washington, D.C.

California was made a slave state.

Tensions between slave states and free states were calmed.

Explanation:

Slavery was forbidden in newly acquired territories. The slave trade was outlawed in Washington, D.C. California was made a slave state. It increased membership in the Whig Party.

5 reasons for westward expansion-

Suggested Teaching Instructions

Gold rush and mining opportunities (silver in Nevada)

The opportunity to work in the cattle industry; to be a “cowboy”

Faster travel to the West by railroad; availability of supplies due to the railroad.

The opportunity to own land cheaply under the Homestead Act.

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