Answer:
it introduced new products into their lives
Explanation:
The Colombian exchange took goods from Europe and sent them to the Americas and Africa, in exchange for some of their products. This also helped to better communicate ideas from one place to another. This would also help to get inventions from one place to another and spread it throughout the world. The Americans sent corn over to Europe, which is now a widely eaten vegetable.
D. Because that was something made AFTER WWl it was made before wwll but after wwl
B figures are carved in high relief with deep undercutting
If you mean supreme leader,Dictatorship does for example Kim jong un is a supreme leader and a dictator of North korea
