Answer:
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 answer: 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
Answer: Why did West African trading empires rise and fall?
Explanation: People would start to be wealthy and then a drop in trading or a food loss would strike the kingdom. ... Ghana was located between the Sahara salt mines and gold mines near the West African coastal rain forests. Ghana became an important crossroads of trade.
The correct answer is Moscow.
Each of the described can be found in Moscow, Russia.
I would go with D because many writing systems were similar in a way, because people would travel and bring there culture everywhere else.
