In October 1774, a group of colonial leaders were confused about their relationship with Britain and wanted to talk things out at the Carpenters´ Hall. It wasn't because they wanted to separate though, it was only to state the concerns and asking for the kind to come up with a solution.
On April 19, 1775, a battle broke out between the British and colonial people in Lexington and Concord Someone had heard a gunshot from the other side and they would only go if their enemy shot first.
In May 1775, a second group of delegates represented an attempt of a Republic government because were still far from unified. They all met in Philadelphia again since King George III refused to note the concerns.
Battle of New York
On June 17, 1775, a battle broke out between the British and Patriots because the British desperate for supplies, so they stole from the Patriots in May. The British had retreated twice before the final showdown on Bunker Hill.
On March 4, 1776, a battle broke out between the British and colonials at Dorchester Heights because he wanted to drive the British out. The colonials had sent there to get a better view of Boston from the south.
In June 1776, New York had become another battleground for the British and colonials. The British wanted revenge from the last battle and had arrived where they knew the colonists would be.