Answer:
A) Boston Massacre occurred first in history.
Answer: tHE LITTLE BLACK MEN AND THE WHO SALIED TO THE UNKNOWN LAND
Explanation:
pLS MARK ME BRANIST
1. gulf of tonkin incident
2. truman doctrine
3.containment of communism
probably a little off but it'll lead you in the right direction.
(I was literally learning this a couple months ago and my memory is a little rusty)