The correct answer to this open question is the following.
You did not include the map, we can comment on the following.
General Howe made his attack on the United States in the following way. General William Howe was to attack north from New York. Other generals such as John Burgoyne was coming down from the Canadian territory. So Howe decided to invade and capture the city of Philadelphia, Pennsylvania, instead of having a strategic plan that supported the efforts with Burgoyne's troops. What General Howe wanted to do is to gain support from Loyalists in Philadelphia. Let's have in mind that Philadelphia was a key city in those years because it was the place where the Continental Congress was located.
