Box on backboard added

The box on the backboard was added just after the innovation of the backboard. Needing a guide to shoot the basketball, a box was put on the backboard. This led to a new aspect of the game. The bank shot was now able the thrive, as long as the ball hit the square at the right angle the ball would go into the hoop. This also led to the dunk because players could see the backboard. http://www.livestrong.com/article/393360-what-is-the-square-behind-above-the-rim-on-a-basketball-backboard-for/