B. Helping people find their family members and other missing individuals
Its expresses one's opinion in a way considered annoying pompous and dogmatic.
Ex. People are pontificated when you kept asking questions, google it! Lazy!
D: develops, supports, or explains the main idea of a paragraph
Answer is C, I believe :)
C.
bc it accomplished his goal (of reaching the moon in a decade) keeping them in front of the space race.