<span> B. They were slave states that could have joined the Confederacy.
If the border states had joined the Confederacy, it would have greatly bolstered the population as well as the army of the South. However, if the US was more lenient on the border states and allowed slavery there to a certain degree, the Border states would provide a 'buffer' zone to help protect the North from most attacks, as well as provide men for the army and factories for producing much needed supplies.
hope this helps</span>
Answer:
it provided a misconseption about the reason for the war and brought in black soldiers
The answer is c. Third estate
They were looking for wealth.
They made many political allies.
They sought a new route to Asia.
They brought Spain great wealth.
They attracted a great deal of interest in Spain.