### Question 18 (Multiple Choice Worth 5 Points)

Slavery increased in Southern states as Northern states took steps to end it. Which answer best explains how this division affected westward expansion?

A. Existing states fought to keep their slaves from moving westward.
B. Existing Southern states were finally convinced to abolish slavery.
C. Existing states fought over whether or not slavery should be allowed in the new territories.
D. Existing states did not want their slaves to join forces with Native Americans from the West.

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### Question 19 (Multiple Choice Worth 5 Points)

Which answer best details the benefits of the Erie Canal?

A. Boats could move more quickly from New York City to Boston.
B. Boats could move more quickly from New York City to Washington.

The division over slavery between Northern and Southern states impacted westward expansion by creating a conflict over the allowance of slavery in new territories.

Explanation:

The division over slavery between Northern and Southern states affected westward expansion by causing existing states to fight over whether or not slavery should be allowed in the new territories. The controversy stemmed from differing opinions on the expansion of slavery and its impact on political dominance and economic interests.

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