<span>D. It was an ecological transformation.</span>
Columbian Exchange was the introduction of Old World plants and animals into the New World and the other way. An example of this was the introduction of tomatoes and potatoes to Europe.
I wanna say it's D but I'm not sure.
It was a result of the cooperation between the public and the private sector. The private sector owners built things like railroads and public roads so they wanted to get money back through tolls and turnpikes. In return, they would pay taxes for money obtained this way and the states enjoyed this money and wasn't bothered by what was happening.
Answer:
Confucianism.
Explanation:
Confucianism is a philosophy because there is no deity of worship. In order for something to be consider a religion, there has to be a deity.