I would say C. “was”. It’s definitely not “am”, because that just sounds completely wrong. It’s not “are” because that sounds a bit wrong, too. It can’t be “were” because it’s only referring to one group, not many groups. The only answer it could be is C.
The second sentence, the author seems to be trying to inform or warn readers about extreme climate changes and then increasing .
The answer is "A" because this one best fits this answer to this question
Answer:
B is correctly punctuated.
Answer: B. real-time images of the war were broadcast on tv.
The Vietnam War was a conflict between the communist government of North Vietnam against South Vietnam and the United States. The conflict was greatly impacted by the ongoing Cold War between the United States and the Soviet Union.
Opposition to the war was high in the U. S. for several reasons. The war was seen as long and costly. Moreover, it clashed with many social movements that were happening at the same time in America, such as the civil rights movement and the pacifist movement. Finally, the fact that images of the war were broadcast on TV contributed to both people's awareness of the reality of the war, and to their opposition to it.