I believe the answer is A
Answer:
Italian astronomer Galileo Galilei provided a number of scientific insights that laid the foundation for future scientists. His investigation of the laws of motion and improvements on the telescope helped further the understanding of the world and universe around him.
Explanation:
low moral and the cival war endangered lincoln's re-election and if he lost the confederates could of won the civil war as the other candidate lincon was fighting was more sympathetic and did not like to take risks he would of probably signed a peace treaty with the CSA.