Hurry1 Which type of sentence structure is being used in the following sentence?

After he had finished his work, he went home.

Simple sentence

Compound sentence

Complex sentence

A simple sentence

Explanation: because he is only saying “after he had finished his work,he went home.” Like he only did something he had to do.

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."

if this isnt a true or false than they have equal amount of importants