ole of this is (11) ______ city of Philadelphia, F by William Penn in 1682. He divided the l square. The streets were wide and easy to London, England, where Penn had lived. Penn fire destroyed (15) ______ of the city in 1666. I at were hard to move around safely. Penn war city in America people could get around easily delphia became a model. Other city builders en (17) ______ street systems in new towns. M