because human error can make historical research unreliable
Explanation:
Eye witness accounts are important because we as individuals interpret various differently sometimes which could lead to an error in the historical event documented as a result of a person’s or group of people account or version.
This makes Eye witness accounts important because human error can make historical research unreliable for future use and studies.
Answer: Congress can override a veto by passing the act by a two-thirds vote in both the House and the Senate. (Usually an act is passed with a simple majority.) This check prevents the President from blocking an act when significant support for it exists.