The Gulf of Tonkin Resolution happened during Vietnam War, so the headline of the paper could only be during the Vietnam War.
Your answer is.....The flag
To my knowledge it's B: Marxism. I hope this helped!
Answer:
They had just won their independence, so they weren't involved in European affairs due to the limited power they had and their focus on their country's stability.
Explanation:
The Revolutionary War had ended in 1783, and Congress haven't made an official leader named, nor enforced order in the country, so there was little chance they had enough authority to be recognized in European countries and were weakened from the war.