Answer:
yay
Step-by-step explanation:
1955 --- The United States and its allies came together to form SEATO to fight communism.
1956 --- Elections that could have reunified Vietnam were rejected.
1963 --- Ngo Dinh Diem and John F. Kennedy were assassinated.
1964 --- Vietnamese torpedo boats attacked two US naval ships in North Vietnam.
1964 --- The US Congress passed the Gulf of Tonkin resolution.
or
1.) The US forms SEATO
2.) Diem and JFK are assassinated
3.) 2 US Navy ships are attacked by Vietnamese torpedo boats
4.) Congress passes the Gulf of Tonkin Resolution
5.) Elections that could have reunified Vietnam are rejected