Answer: Formal operational stage of cognitive development
Explanation:
Formal operational stage of cognitive development is the level of Piaget's theory of cognitive development where a person is able to generate hypothesis about world and things for answering issues.For solving certain problem, best predictions are made regarding to it in a systematic and orderly manner.
This type of thinking is considered scientific rather than hit and trial method because meaningful ,relatable and valid guesses are made in accordance with the question or problem.Then best way for solving problem is then concluded.
<span>European building an empire in America is such a prevalent idea that it affected the history and many transformations happened at large scale and eventually leading the world to what it is today. Such things happened many times in the history and changes in the locations making them not being stable</span>
Answer:
c. medieval cities were very crowed
