Question

What event provoked the secession of the Southern states from the United States?

attack on Fort Sumter
election of Abraham Lincoln
issuance of the Emancipation Proclamation
formation of the Confederate States of America
Why was the work of Louis Pasteur important in the history of medicine?

He published The Origin of Species.
He discovered radium and polonium.
He found that bacteria caused diseases.
He created psychoanalysis.

Answer 1

when lincoln became the president of the US, the South were feared that he might discard their opinions (on slavery) which turned out to be true. Lincoln was from the North and the Union, the union and the confederate states, were known in history, to be opposite on their opinions and how the government system should work. The first question is B, election of Abraham Lincoln provoked the secession of the Southern states from the US and started the April 12, 1861 civil war.

Answer 2

Second question
He published The Origin of Species. (That was the work of Charles Dawrin, and it does't have to do with Medicine, evolution and natural selection plays a major role on this book)
He discovered radium and polonium.( That was discovered by Marie and Pierre Curie
He found that bacteria caused diseases.(Louis Pasteur discovered that)
He created psychoanalysis. (Sigmund Freud created that)