It may have impacted his ability to make decisions positively because he had more knowledge on what the best decisions were.
Archaeologists use artifacts and features to learn how people lived in a specific times and places. They want to know what these people's daily lives were like, how they acted with each other, and what they believed and valued.
Thomas “Stonewall” Jackson
The first event that brought Dr Martin Luther King was his 'I have a Dream' Speech. This allowed everyone to see how he was campaigning for Civil rights. His speech was held on 28th august 1963.
Hope this helps :)