Correct answer: it took them 15 months to declare war because they prepared their defenses.
For a few months, individuals in the settlements had been gathering arms and powder and had been preparing to battle the British, if fundamental, immediately. The Continental Congress had affirmed of arrangements for cautious battling, on the off chance that the British made a forceful move. In any case, General Thomas Gage, officer of British troops in Boston, had been mindful. He thought his armed force too little to act without fortifications. Then again, his officers despised the pilgrims as contenders, supposing they would escape with any show of British power.
Gage got requests to capture Sam Adams and John Hancock, reputed to be close Lexington. At the point when Gage heard that the pioneers had amassed weapons and powder in Concord, he chose to act. The evening of April 18, 1775, he dispatched almost 1,000 troops from Boston. He would have liked to get the homesteaders off guard in this way to maintain a strategic distance from gore. However, all British exercises were precisely viewed by the loyalists, and William Dawes and Paul Revere rode out to caution individuals in the wide open that the British were coming.
