More slave restrictions occured due
a. rising unrest in the north.
b. the onset of the civil war.
c. slaves rebelling against the south.
d. lincoln becoming president.

d.Lincoln becoming president.

Explanation:

More slave restrictions occured due to Lincoln becoming president.

Abraham Lincoln was the first president to attempt to stop slavery.

Therefore, this seemed like a threat to slave masters.

in february 1787, congress decided that a convention should be convened to revise the articles of confederation, the nation’s first constitution. in may, 55 delegates came to philadelphia, and the constitutional convention began. debates erupted over representation in congress, over slavery, and over the new executive branch. the debates continued through four hot and muggy months. but eventually the delegates reached compromises, and on september 17, they produced the u.s. constitution, replacing the articles with the governing document that has functioned effectively for more than 200 years.

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