Answer:
A
Explanation:
Trade on the river promoted western expansion
After the Louisiana land purchase from Napoleonic France, there was a contention about slavery. Issuing from this, the agreements made in the excerpt reflect the concern of D. Whether to allow slavery to expand into new territories.
The agreements refer to the 1820 Missouri Compromise, dividing the lands of Louisiana into two, the north, where there would be no slavery, and the south, where slavery would be allowed.
While Missouri entered the Union as a slave state, Maine was admitted as a slave-free state. This compromise or agreement kept the balance of pro and anti-slavery states in the US.
Thus, the agreements made in the excerpt reflect the concern of allowing slavery in the newly purchased lands of Louisiana.
Read more about the Missouri Compromise at https://brainly.com/question/14195707
