The nation at 18°N and 77°W is Jamaica.
This event received or name of massacre due to violence or conflict.
This confrontation was a prelude to what will later become a war for independence. Although it has limited relevance, it has an important symbolism.
In this event the soldiers were exalted and nervous, after the nonviolent attitude of a civilian the violence began, which shows that the tension was great.
" if he had been left to himself " is a subordinate clause because it does not form a complete sentence..it cannot stand by itself
