Answer: Varies
Explanation: One way is they can cooperate with nearby countries.
.The correct answer is D-Each country in North America uses its own currency. A and B are completely wrong, as there are numerous currencies in use in North America, but to say that they "have done away with separate currencies" is wrong, too, for there are some countries who use the US dollar, being therefore in common and not totally different.
Answer:
Carpetbaggers is the answer.
Answer:
The North Vietnamese Army and National Liberation Front for South Vietnam used guerrilla warfare and traps in the Vietnamese forest to trap and capture American soldiers.
Explanation:
