Answer : A) Cotton
Explanation :
Many forerunners and founding fathers of America hailed from the East, American westward expansion was considered to be the hallmark because of many reasons. It all started when Thomas Jefferson bought Louisianan territory from France, he believed that for America to become a powerful block in the world, its west ward expansion is necessary.
There was vast and cheap availability of fertile lands in the west which could be used for erecting major factories and create employment opportunities that were mostly low paid in the east due to European restrictions.
Gold Rush in Oregon was an alluring factor for westward expansion. Environment in the west was compliant and the land was productive.
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.
