Piglet believed that in each stage, children

According psychologist Jean Piaget  children go through four key stages of cognitive development.: sensorimotor,  stage, concrete operational and formal operational stage. Piaget believed that in each stage, children need constant external motivation. Correct C

He explained in his theory what a child is capable of doing at different stages in his or her development.

Explanation:

I would say C hope I was able to help

i do not know if this question has options, but a main impact of the federal reserve act of 1913, which created the federal reserve bank, was the international use of the u.s. dollar, which soon became the world's leading currency - particularly during world war i, since many nations around the world asked the united states for money.

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