Cleanliness is important in army life. This photo shows a typical wash day in camp. The soldiers of the 56th United States Infantry, stationed at Camp MacArthur, Texas, are washing their own clothes.

33rd Division, Camp Logan, Houston, Texas.

This untitled illustration by cartoonist Clifford Berryman, which appeared in the Washington Evening Star on December 25, 1915, is a reminder that things this Christmas are different in Europe than they are in America.

This illustration entitled, "Just Looking Things Over", by cartoonist Clifford Berryman, which appeared in the Washington Evening Star on July 25, 1915, shows Uncle Sam looking over American military readiness reports as German armies continue to advance in Europe and submarines keep up attacks on the seas.

This illustration entitled, "The Buffer State", by cartoonist Clifford Berryman, which appeared in the Washington Evening Star on May 24, 1915, shows the tiny country of Switzerland attempting to maintain its neutrality with its citizen - soldier militia, while war in Europe erupts all around.

This illustration entitled, "Will He Attain It?", by cartoonist Clifford Berryman, which appeared in the Washington Evening Star on January 1, 1915, depicts hope that the new year will bring peace in Europe.

Cartoonist Clifford Berryman uses the 1915 Washington Dog Show as the locale for his observations on American neutrality as the war continues to expand in Europe. Berryman's familiar character, Mr. DC, admonishes the dogs, including those representing many of the European belligerents, to follow President Woodrow Wilson's plea that "strict neutrality must be observed."

This order announces a state of war between the United States and the Austro-Hungarian Empire and requires department heads to determine the presence of any person of Austro-Hungarian sympathies within their department.

This illustration entitled, "What the Powerful Waves are Saying", by cartoonist Clifford Berryman, which appeared in the Washington Evening Star on July 30, 1915, depicts the American governments feeling that as war rages in Europe, it must get prepared for what looks like its eventual entry into the war.

This illustration entitled, "The Buffer State", by cartoonist Clifford Berryman, which appeared in the Washington Evening Star on May 24, 1915, shows the tiny country of Switzerland attempting to maintain its neutrality with its citizen - soldier militia, while war in Europe erupts all around.