they colonists to house and feed the soldiers because the british governent did not want to have to pay all that money to build new barracks. Escpecially for an army of their size. So basically if you are assigned a soldier to quarter. You have to wash their horse, feed them, wash their clothes, give them fresh bathing water, and even give them your own bed. The colonists hated these rules and felt they were unfair and unjust(just one of the many events leading to a revolt)