Who here can speak Korean DON'T ANSWER IF YOU CAN'T! and google translate doesn't count 가장 좋아하는 동물은 무엇입니까?

All of the following contribute to effective communication in groups excepta.)critical thinking.b.)understanding of subject matter.c.)individualism.d.)interpersonal communication skills.

Why do people ask questions on here that have answer choices but they dont include them? ?

After the fall of saigon, americans a) were eager to explore the lessons of vietnam b) just wanted to forget about the war c)bought airline tickets to hanoi d)demanded that the u.s. get involved in "another vietnam"