Popular sovereignty was used in attempt to?

a. ease pro-slavery and anti-slavery tensions
b. strengthen the power of the federal
government
c. uphold the Missouri Compromise
d. divide the Union

Historians are concerned with the accuracy of their writings and readings but are also aware of the inability of authors to know every angle of every story biases, perspectives, beliefs, and a variety of other differences history being told by one person at a time no one being totally accurate, as hard as we try really need on this, and you^^