I believe it is D....
Hope this helps
It’s most likely C: Mexico closed their borders to further immigration
But it could also be B: Texans owned slaves
A, D, and E are for sure not right because the Mexicans didn’t like how the Texans did that. Good luck!!
Answer:
Sectionalism worried some of the major Americans too much as and when they were slowly moving close towards the civil war.
Explanation:
Sectionalism refers to obtain a distinction between the two sect of the territory. Referring to the Americans, sectionalism came into being, with the dividend of North America and South America.
The feel which bring about sectionalism among the citizen of the nation is that when they develop loyalty about a part of the nation but not towards the entire nation.
Sectionalism developed among the North Americans or simply Northerners based on slavery, as they were opposing slavery, whereas Southerners were instituting slavery.