Can we know for sure what happened at lexington? why or why not?

A British officer demanded that the militia disarm and disperse, and in the ensuing confusion, shots were fired. To this day, there exists considerable uncertainty over whether the militiamen or the British soldiers fired first.

-Jen

they remained in rural areas and worked at jobs such as lumbering or farming.

which time period is this? or is this story fictional, i'm going to need more info to answer this question