Employed more people to create more products is the answer.
Both Native Americans and European colonist had negative impacts which would be the new diseases and sicknesses, which their bodies weren't immune to or ever known to have. Both They also benefited positively in a sense that both obtained great technological transfer along with new types of plants, and animals.
The outcome of the Cuban Missile Crisis wasn't beneficial for anybody. It just caused everyone to live in fear.
yes students should be able to wear whatever they want because of freedom of expression.