Political System 英语1204张 灵芝1. System of government of US Federalism there is a federal or national government. there are individual states, each with its own government.2.Three Branches of Government The legislative branch(立法) The executive branch(执行) The judicial branch (司法)The Senate参议院 The House of Representatives众 议院 Congresss main function is to make laws. The Senate参议院 1.Composition : 100 senator 2.The speaker :vice president 3.Tenure :6 years 4.The qualification: 1) at least 30 years old