In critical thinking, an argument
a. a feudb. a set of statements attacking an opponentc. a set of statements intending to provide reasons for accepting another statementd. a set of statements that prove empirical claims beyond all doubt

c) a set of statement intending to provide reasons for accepting another statement.

Explanation: Assumption that something is true is provided in an argument to reach the conclusion.

the president was the speaker and it was a great part of history.

explanation:

video of the national aeronautic space administration's (nasa) coverage of president john f. kennedy’s address at rice university, houston, texas, concerning the nation's efforts in space exploration. in his speech the president discusses the necessity for the united states to become an international leader in space exploration and famously states, "we choose to go to the moon in this decade and do the other things, not because they are easy, but because they are hard."