    *NOTE to the author     there is a big difference between the two parties. Democrats are more liberal and Republicans are a lot more conservative.       Note to the Note   The question was related to the PARTIES, not the philosophy of individual members.
It works like this: a political party through its manifesto says-if you vote for me then I will do this for you. Uses: 1. Canvassing of vote for political parties 2. Helps people to decide which party to vote for 3.
A manifesto usually accepts a previously published opinion or public consensus and/or promotes a new idea with prescriptive notions for carrying out changes the author believes should be made. It often is political or artistic in nature, but may present an individual's life stance.