The westward
expansion had caused a major sectional strife among the US due to the following
reasons. 1. President Polk, who was the president of the United States at that
time, was not supportive of the treaties made by the North. At the time,
sectional crisis had been one of the major problems in the United States.
2. The stand
of Texas in terms of slavery. The annexation
of Texas had caused one of the reasons of the sectional strife. Texas was known
for being a pro-slavery state before its annexation to the US. Because of this
many Whigs have fought against Democrats in Congress because of the possibility
of the expansion of slavery in the westward expansion
