What kind of clause is underlined in the sentence below?

Question

During the Vietnam War, the Americans decided that they were pro-war.
A.
a relative clause
B.
an independent clause
C.
an adverbial clause
D.
a noun clause

Answer 1

In the sentence "During the Vietnam War, the Americans decided that they were pro-war," the underlined portion "that they were pro-war" functions as a noun clause. It can be identified as the direct object of the verb "decided."

So the correct answer is: D. a noun clause.