<span> a law passed by </span>congress<span> in </span>1974<span> to allow the Environmental Protection Agency to regulate the quality of public </span>drinking water<span>.</span>
A division of labor occurred when people started producing a surplus of food because it was no longer necessary to use all of the labor force to subsist off of agricultural goods. Once a society or community can produce enough to survive and eat the labor force will begin to work in other industries creating a division of labor this could include making textiles, building homes, or any other number of economic activities.
Ahmose rose to power when Egypt was in crisis. There was occupations in the North and invasion threats in the South.
Ahmose's army was able defeat the invaders in the North (Hyksos) and the threat in the South (Nubians), taking the Nubians territory and creating an united and powerful Egypt.