These conditions caused some soldiers to develop a problem called trench foot. There were many lines of German trenches on ... in the trenches during World War One. WW1 SOLDIER JACK: Mud?

(See how World War I energized mapmaking at National Geographic.) Photographed in 1917, an endless line of Russian soldiers sit patiently in a trench as they anticipate a German attack. National ...

Dar es Salaam. Six key World War 1 battles were fought on African soil, according to the History Channel; two of those were fought in Tanganyika (now Tanzania) between British and German ...