You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

[Q]: Category: ALL ABOUT RIVERS 
Clue: You may be waiting for the Robert E. Lee on a natural one of these raised river banks created by flood waters
[A]: levee


[Q]: Category: QUICK BIOS 
Clue: Born near Gzhatsk in 1934; promoted to major in 1961 shortly before liftoff, just in case; died 1968
[A]: yuri gagarin


[Q]: Category: CIVIL WAR DIARY 
Clue: July 1, 1863: Good news, get to keep leg; bad news, I'm going to Cemetery Ridge for this Penn. battle
[A]:
gettysburg