In India, Islamic rulers Qutb-ud-din Aibak imposed jizya on non-Muslims first time which was called kharaj-o-jizya. Jizya was abolished by the Mughal ruler Akbar in the 16th century but was re-introduced by Aurangzeb in the 17th century.
The constitution of United States prescribes that the Senate be composed of two senators from each state. As there are 50 states in USA, therefore there are 100 members in the United State Senate.