The correct answer is increase.
Government subsidies make it easier or more beneficial to provide the goods that the producers are offering (or to consume more), so the subsidized parties will produce more of their products, which will increase the supply.
The anser is B
North Vietnamese (as well as Vietcong) were extremely sneaky when it came to their warfare strategies. They were constantly on the retreat and resorted to hiding, raiding American soldiers by night, setting traps, and other similar "underhanded" tactics. It came to the point where the American government had to stop sending troops because it was proving to be futile.
Chief Justice Roger B. Taney
Answer: I think it's probably b