What factor caused the anger that led to the boston massacre?

boston was occupied by british soldiers.
the colonists did not like the system of british taxes.
some american colonists disagreed with the king's policies.
the british thought some colonists were not respectful enough.

Boston was occupied by the British soldiers

“the battle of stalingrad is not a turning point necessarily in strategic terms, because a lot more has to be done before the soviets can be certain of defeating germany,” says renowned world war ii historian richard overy. the germans had fought nearly a thousand miles across the soviet union to get to stalingrad.

the answer to number 5 is fort sumter