Because i think it was because they were forced to hope this helps :)
YOU BETTER RUN BOY!!!!!!!!!!!!!!!!!
Yes the colonists were required by law to give up anything that they had that the soldiers needed or wanted.
The original thirteen colonies flourished and developed into what became the fifty US states, thanks to ample resources and opportunities. This country's political geography was the consequence of many treaties and conquests that resulted in the country reaching from the Atlantic to the Pacific Ocean.