Republican simplicity is a political attitude of the republicans. They wanted to cut military expenditures, cut budget, eliminate taxes. They basically wanted to reduce the interference of the government. It is primarily the same because he was the main advocate of this philosophy.
In the late 1800's, economic, political and religious motives prompted European nations to expand their rule over other regions with the goal to make the empire bigger. The Industrial Revolution of the 1800's created a need for natural resources to fuel the newly invented machinery and transportation.
I’m gonna say whatever the other guy says
The fourth one, voluntary exchange