Answer:
seven Southern states seceded.
Explanation:
a
An immediate result of Lincoln’s election in 1860 was that
a seven Southern states seceded.
b Union forces attacked Antietam.
c the Confederacy attacked Fort Sumter.
d the Union chose Jefferson Davis as its leader.
Industrial expansion and population growth radically changed the face of the nation's cities.
C. Domestic products are less expensive
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D enslaved people are well treated
Answer: roman emperor Constantine 1
