What was Joseph E Brown's greatest contribution?

Joseph E. Brown's greatest contribution was as a key political leader in Georgia during the Civil War and Reconstruction era. He served as the Governor of Georgia and played a significant role in managing the state's affairs during the conflict, advocating for the Confederacy's interests. After the war, he was influential in the Democratic Party and worked to restore Georgia's economy and political stability. His legacy also includes his efforts in the development of the state's infrastructure and institutions.