<span>The United Sates government kept a price ceiling on gasoline.</span>
A the bale center of cost and benefits is the answer
Athens is located in Greece, and Greece is a country that has a Mediterranean climate. The Mediterranean climate, as well as the soil type in Greece, is a natural place for the growth of olive trees and wine trees that produce fruits of high quality. Athens used this, and by making products from both of these trees, olive oil from the olive trees, and wine from the wine trees, they were making a lot of wealth because of this products were in high demand and not many places had the conditions for growing these trees and making products from them. Also Athens was very active in the sea trade and had contacts all over the Mediterranean, and that just opened up a larger market for their products.
The Ku Klux Klan was created after Abraham Lincoln had claimed slavery was no longer legal. The KKK went around, killing black people and such. They also protested around the segregation process. They are still around to this day, but I don't believe that are killing anymore.
Invasive species of flora and fauna and communicable diseases were a byproduct of the Colombian Exchange