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
Galveston Island would hold until nearly the end of the 19th century. Galveston for a time before the American Civil War was the largest cotton shipping port in the world and the second-largest port for immigration in the United States. In the mid-19th century, it was a major port of entry for the many Germans who entered the state. During the Civil War, the Union army seized control of the island from the South for a few months during early 1863. Confederate forces commanded by John B. Magruder expelled them from the island, and the Confederates controlled it for the remainder of