By the 20th Century, colonial troops were often being used outside the boundaries of their territories of origin. Troops from France's North African colonies served in the Crimean War, the Franco-Prussian War and most notably in the trenches of World War I in France itself. France also made extensive use of African troops in World War II and during the subsequent Indochina and Algerian Wars. Indian troops served in Europe in large numbers during both World Wars, as well as in the Middle East, Malaya, Burma and North Africa in World War II. The Regulares (Moorish infantry and cavalry) of Spanish Morocco