There are a lot of systems. An electoral system based on single-member districts is usually characterized by domination of the legislature by two political parties.
What is electoral system?
An electoral system is often called a voting system. They are the set of rules that helps us to know how elections and referendums are been conducted and how the results are known.
A single-member district is known to be an electoral district where voters often elect or choose one representative or official.
learn more about An electoral system from
https://brainly.com/question/381249
