Whoever , owing allegiance to the United States , levies war against them or adheres to their enemies , giving them aid and comfort within the United States or elsewhere , is guilty of treason and shall suffer death , or shall be imprisoned not less than five years and fined under this title but not less than $10,000 ; and shall be incapable of ...
Boys in 1915 wore mostly short pants paired with white or light-colored, button-down shirts and sometimes jackets matched to the pants. Suspenders, not belts, held up short pants.
It wasn't until December, 1906, that MT himself started dressing this way (right). But it seemed so perfect a costume for him that most readers today invariably picture Mark Twain in white. When he wrote about the costume in his autobiography, MT gave hygiene as his reason for wearing white.