How do oral stories contribute to history

Oral histories are stories that living individuals tell about their past, or about the past of other people.  please don't delete this i am trying my best to help can you mark this brainliest if this had helped

it's no easy i swear it's hard

one of the main reasons was definitely slavery. back in 1861, republican abraham lincoln was elected and ended up being a major influence in the slavery business. slavery greatly affected the texas economy because back in 1845 during the annexation of texas, slaves became a big part of the texas population. many texans that were in favor of the secession influenced groups through party ties.