Complex sentence: Many nations have a separate legal system for members of the armed forces; in the United States, this differential treatment seems to be suggested, but by no means mandated, by the Founding Fathers in the Fifth Amendment to its constitution.
Split into simpler sentences: Many nations have a separate legal system for members of the armed forces. In the United States, this differential treatment seems to be suggested, but by no means mandated, by the Founding Fathers in the Fifth Amendment to its constitution.