rules of the game in politics

The American electoral process is conducted based a on a variety of very important and sometimes confusing rules. The rules determine who can run, when elections are held, who can vote, and where candidates can run. These rules also determine who wins. Answer the following questions:
What effect would changes in who can vote in primary elections have on how candidates would run their campaigns?
How do single-member districts and plurality rules impact third-party candidates and independent candidates?
How does gerrymandering affect the electoral process?
Your initial post should be at least 250-300 words in length. Support your claims with examples from required material(s) and/or other scholarly resources, and properly cite any references.