Why did the forward pass become a legal play? It reduced the number of penalties in a game.
It was an easy play.
It was considered too hard for most players to perform.
The rules were changed to make the game of football safer.

People who utilizes the progression principle will ensure their exercise program increases in frequency, intensity, time, and type. the changes need to happen gradually in order to ensure they make gains in their fitness program. a person who doesn't utilize the progression principle can still gain health benefits from exercising, but will not continue to improve in cardiovascular fitness.

Answerepsilon=binge drinking;