I believe the answer is: Spatial intelligence
Spatial intelligence is the part of our intelligence that granted us with the ability to comprehend three dimensional objects. This would determine our ability to solve puzzles, pinpoint object location from different perspective, and ability to understand mechanical process.<span />
Abraham Lincoln won the presidential election of 1860 amidst opposition by Southerners.
Before Abraham Lincoln was inaugurated into office, Southern states seceded. This is because they fear that with Lincoln as president, he would abolish slavery. They formed the Confederate States of America with Jefferson Davis as president.
Abraham Lincoln was the 16th president of the United States. He preserved the Union during their Civil War and he brought about the emancipation of slaves.
He was assassinated on 14th April 1865 by John Wilkes Booth, a known well-known actor and Confederate sympathizer.
47.98899999% have been killed if only 71,00 civilian died.
I think that the most important of the 14 points was the last one, which said that a general association of nations shall be formed to have mutual guarantees of peace, and this lead to the League of Nations.