They have a presidential political system and free market economical system.
democratic
free enterprise system
free enterprise system
democratic system
capital
Two Party system.
electoral college
representational democracy
The US has an open economy. This type of economy has a capitalist nature.
The United States political system is a Constitutional Federal Democratic Repuplic
The US has a two-party system with only two main national parties. However, there is no legal reason why the number can not change.
representative democracy