State Duma

The State Duma () is the Lower House of the Parliament. It is a part of the legislative branch of the government of Russia. The State Duma was first introduced in 1906. It was Russia's first elected parliament. In 1922, it was replaced with the Soviet Parliament. It was re-established in 1993. 
It makes laws, elects the prime minister and supervises the work of the government. It also has the power to remove the President from office. It can also call new elections. The Duma has de jure authority to make and change any laws without being overturned.
It can pass any law by a simple majority. There are 450 members in the Duma.