Explain the gulf of tonkin resolution.

The Gulf of Tonkin Resolution or the Southeast Asia Resolution, Pub.L. 88–408, 78 Stat. 384, enacted August 10, 1964, was a joint resolution that the United States Congress passed on August 7, 1964, in response to the Gulf of Tonkin incident.

hope it helps

On August 7, 1964, Congress passed the Gulf of Tonkin Resolution, authorizing President Johnson to take any measures he believed were necessary to retaliate and to promote the maintenance of international peace and security in southeast Asia 
Hope this helps

Both the han and the roman empire decline as a result of social unrest during their collapse.