...eptember the Nineteenth Corps, reorganized and placed under the command of Franklin, once more advanced into the Teche country and drove him back toward Opelousas. After the fall of Vicksburg and Port Hudson , Grant sent Herron's division, and the Thirteenth Corps under Ord, to report to Banks. Banks went to Vicksburg to consult with Grant, and Grant came to New Orleans; together they agreed with Admira...