An Interior Angle is an angle inside a shape. Note: When we add up the Interior Angle and Exterior Angle we get a straight line, 180Â°. (See Supplementary Angles).
The Concentration Camp at Dachau was opened 22 March 1933, with the arrival of about 200 prisoners from Stadelheim Prison in Munich and the Landsberg fortress (where Hitler had written Mein Kampf during his imprisonment).
The British invented Concentration Camps in South Africa in the 19th Century. They resulted in mass sickness and death and questions were asked in the British Parliament about the dreadful rates of death and sickness that were observed.