C. Discovering vaccination and microbial fermentation
A microbiologist who discovered microorganisms cause fermentation. Eg. leading to food spoilage
A - 3
b - 4
c - 2
d - 1
e - 5
<span>"The Battle of Antietam was one of the most important events of the American Civil War.
... The battle ended the Confederate invasion of Maryland in 1862 and
resulted in a Union victory. It also led to President Abraham Lincoln
issuing the Preliminary Emancipation Proclamation on September 22, 1862."
These are not my words, there from study.com / hope this will help you
</span>
Answer:
it increased slave labor in order to make more money and produce more cotton
