The document provides an overview of the parliamentary system of government. It begins by defining a parliamentary system as one where the majority party in parliament forms the government and the executive and legislative powers are merged. As an example, it discusses the UK system where the prime minister is appointed by parliament. It then summarizes Bangladesh's parliamentary system, noting its unicameral legislature, direct elections, and role of the president. The document explains that under a parliamentary system, the prime minister is elected by the legislature and can be removed through a no-confidence vote. It lists some advantages as faster decision making and reduced friction between branches, and some disadvantages as potential instability and overpowered legislators.