    *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.
Election manifesto is a vision and misssion of contestent political parties that stand for upcoming election. This is an agenda for future plan made by the political parties wittheir the voters. If any political parties win the election that is bound to implement to the same that was pre-committed with the people.
The term pork barrel politics usually refers to spending which is intended to benefit constituents of a politician in return for their political support, either in the form of campaign contributions or votes.