Goldwater's speech is very critical of mistakes made by the previous presidential administration of

He was critical of President Lyndon Johnson’s administration.  A staunch conservative, he criticized Johnson’s leadership as lacking of direction.  Johnson countered by saying that Goldwater’s aggressive approach would lead to nuclear war.  He lost to Johnson in the 1964 elections.

taking a bath requires the most water out of the given options because it takes a significant amount of water in order to fill a bathtub.