Legislatures do a lot of different things, but their primary jobs are to make laws, represent constituents, and oversee other parts of government. These jobs exemplify the fundamental reasons a political system needs a legislature.

When the people empower a branch of the political system to make the rules governing their relationship with their government, the political system is equipped to resist the ways that power can corrupt. Legislative institutions must require cooperation and consensus to ensure the health of the political system

legislature — a deliberative body that is granted the authority to create laws that govern a society. parliamentary system — a political system in which the executive, often a prime minister, is also a part of the legislature. political system — equipped to resist the ways that power can corrupt. constituents — the people whom a legislator represents.