Port of Galveston Port Arthur. Some businesses threatened to pull out of Galveston completely if the port wasn't reopened. Governor William P. Hobby declared martial law and sent the Texas National Guard to take control of the city and the port. The city was under martial law until January 1921, when the longshoreman agreed to return to work for a salary increase that was less than they had sought. Later that decade, the port of Galveston became a major sulphur exporter. As the oil industry expanded in Texas, no pipelines were built to Galveston. The Intracoastal Canal opened in 1933. For several years
Battle of Galveston to destroy the grounded "Westfield" with explosives rather than let it fall into enemy hands. Renshaw and several Union troops were subsequently killed when the explosives were set off too early. Union troops on shore were convinced that their own ships were surrendering and, therefore, laid down their arms. The remaining U.S. ships did not surrender and succeeded in retreating to Union-controlled New Orleans. The Union blockade around the city of Galveston was lifted temporarily for four days, and Galveston remained the only major port that remained in Confederate hands at the end of the war. The Confederate Congress stated