Lets practice using the two meanings of させる in English.
先生が学生に宿題をたくさんさせた. (The teacher made the students do lots of homework).
先生が質問をたくさん聞かせてくれた. (Teacher let (someone) ask lots of questions.)
させるmeans to let/make someone do something. It depends on the situation and if the subject wants to do it.