Answer:
"Attacking radical abolitionists to boost his credibility with moderate southerners, Webster urged northerners to respect slavery in the South and to assist in the return of fugitive slaves to their owners. He joined Clay in warning that the Union could never be dismembered peacefully." -
Explanation:
The type of intelligence that allows you to learn to play your first few notes on a saxophone is called fluid intelligence.
I believe it was George Stephenson.
Additionally is the answer your looking for :)