Because people experience the world differently.
Everything, from their point of view to the emotions they were feeling at the time, can influence how somebody remembers something.
It first came from france.
Answer: The townspeople threw object at the soldiers.
March 5, 1770 was the day of the Boston Massacre, where a mob of American colonists gather around the Boston Customs House to protest the occupation of soldiers in Boston. So, they began throwing snowballs, stones, and sticks at the Soldiers on duty to protect the Building. As the mob got bigger, the soldier became more worry about their safety and thus open fired in the Boston Townspeople.
They wanted a united nation. A bunch of individual state currencies would make trading, taxing and fining within the nation a pain.
