Workers laughing in a clothing factory. Laughter is a physical reaction in humans and some other species of primate, consisting typically of rhythmical, often audible contractions of the diaphragm and other parts of the respiratory system. It is a response to certain external or internal stimuli. Laughter can arise from such activities as being tickled, or from humorous stories or thoughts. Most commonly, it is considered a visual expression of a number of positive emotional states, such as joy, mirth, happiness, relief, etc. On some
The Boer Wars was the name given to the South African Wars of 1880-1 and 1899-1902, that were fought between the British and the descendants of the Dutch settlers (Boers) in Africa. After the first Boer War William Gladstone granted the Boers self-government in the Transvaal.
World War I was fought by most of the countries of Europe. The actual fighting was on many different fronts. The Western Front was where most of the fighting between Germany and the Allies happened. Most of the fighting here was trench warfare. The Eastern Front was fought in Central and Eastern Europe and was one of the main places where World War I took place.