 Complete the following phrase:  Martin Luther Smith September 9, 1819  July 29, 1866 was an American soldier and civil engineer, serving as a major general in the Confederate States Army. Smith was one of the few Northern-born generals to fight for the Confederacy, as he had served most of his early military career in the South with the United States Armys topographical engineers, marrying a native of Athens, Georgia. He planned and constructed the 