Answer:
Land with waters that drained into the Mississippi River.
Sorry if this is a little late but im almost positive it is C
<span>The secession of several border states</span>
The leaders in Africa wanted guns but the
slaves themselves wanted guns to protect
themselves from being captured and sold into slavery. All the guns were being sold by EU and Americas.
The second largest group was from Germany
It would be "(D) British trade and defensive treaties with Texas," that was not a cause of delaying the annexation of <span>Texas, since the delay mostly had to do with the North being upset with the idea of adding another slave state to the Union. </span>
