Answer:
Correct answer is Trade allowed new technologies to spread. :
Explanation:
First option is correct because with exchange of certain goods and products, people were also sharing their knowledge and development, which of course led to improvements in technology.
Sam is in Piaget's preoperational stage of cognitive development. In addition, the preoperational stage is the second stage in Piaget's theory of cognitive development in which this stage starts around age 2 as children start to talk and last until approximately age 7. Throughout this stage, the children begin to take part in a symbolic play and learn to use symbols.
Answer:
The correct answer is D.
Explanation:
after ww2 japans' government changed to a democracy. Meaning the community has the right to vote for who their leader should be.