Claims and support are related because claims are statements that are made by authors in relation to some subject matter that are backed up by "support" or evidence. Therefore, based upon these options, "An author will use support to back up a claim." This claim and support are what authors use to create arguments in writing to make a point and to express a perspective on a particular issue.
The Vietcong set up checkpoints around the nation, so that would've definitely been a literal and figurative roadblock to any refugees. Hope this helped.
Answer:
james usally comes to work by car, but today he goes by bus
Explanation:
present tense