French basically lost all of their land so they lost the most from the treaty of paris. The American colonists still had their colonies, the Native Americans were allowed to live on the other side of the Appalachian Mountains, and the Spanish weren't even a part of the treaty whatsoever so they didn't lose anything really.
D. By having the three different branches selected in three different ways, the founders were mixing different government styles. This allowed "everyone" to feel as if they could influence government.
