I believe the correct answer to this would be A). Epidemics
It says what you learned from the picture above but their is no image attached
<span>On September 11, 1777 British General William Howe's army defeated George Washington's army defending Philadelphia at the Battle of Brandywine. Washington and his army were forced to retreat, there was no longer an American army defending Philadelphia. The British marched in and occupied Philadelphia...until the fortunes of war changed and the British left Philadelphia in June, 1778 without a fight.</span>
Many whites wanted Indian land, and knew it would be easier to gain if the Indian tribes disappeared. With that statement appeared the Dawes Act, also known as the General Allotment Act, in February 1887. A scheme was soon developed for Indians that would allow individual Indians to own land for private use, and the Indians would be converted into capitalists.