no power to regulate commerce or trade between state.
Amswer:
Conservation
Explanation :
Conservation is an ability that is developed under jean Piaget stages of development theory. This refers to a logical thinking ability that a child develops In the concrete operational stage after the preoperational stage that makes it possible for a the child to understand that a certain quantity remains same even with adjustment or change of container, shape or size
sparta i believe. sorry if i’m wrong but i think that’s right
