The correct answer to this open question is the following.
The form of government in the United States Government is a representative democracy in which citizens vote and elect for its President and representatives in the federal government, and for the governor and representatives in the state government.
The United States has a federal government divided into three branches under the system of checks and balances. The executive branch relies on the US President. The judicial branch is the US Supreme Court. The legislative branch is the US Congress, a bicameral congress with an upper chamber or Senate and a lower chamber or House of Representatives.
As it gained momentum, the abolitionist movement caused increasing friction between states in the North and the slave-owning South. Critics of abolition argued that it contradicted the U.S. Constitution, which left the option of slavery up to individual states