How did the Gulf of Tonkin incident contribute to the escalation of tensions in Vietnam? It caused the United States to fear for the safety of its troops.
o It was one of the deadliest incidents of the Vietnam conflict.
o It made the North Vietnamese upset about being falsely accused.
It prevented U. S. ships from returning to South Vietnam.

The third explanation.

Explanation:

Subsequently proved to be based on false claims, the Gulf of Tonkin incident led to a rapid and significant escalation of US involvement in Vietnam. Thus it is understandable that the North Vietnamese were upset about being falsely accused.

during the ming dynasty

the answer is "focused on"

lol gave an answer 1 week that's the answer for those who need it in the future xd