says that if a written contract is a complete and final statement of the parties' agreement, any prior or contemporaneous oral or written statements that alter, contradict, or are in addition to the terms of the written contract are inadmissible in court regarding a dispute over the contract.

 Parol Evidence Rule

Explanation:

Parol evidence rule is the rule that prevent any party to present the evidences that were prior to written agreement for proving or claiming contradiction in contractual terms and facts.

This does not permits modification , alteration and changes to happen in current contract when it is being finalized .Exception in the form of error, mistakes, misinterpretation, fraud etc can be accepted as per situation.

ideology

explanation:

when the united states took over