D. He says that the people of three continents support his side, so his
side must be right.
Explanation:
By stating that the people of three continents support his side, so his
side in order to get others to agree with his views, he is using a bandwagon arguement. Bandwagon is basically when someone uses the fact that the majority agrees with something side person also supports, then their view is correct. Since the majority agrees, then the person they are trying to convice should too.
