Psychologist Eugene Hartley (1946) made up the names of three ethnic groups—Wallonians, Pireneans, and Danireans—and found that people who were prejudiced against Jews and blacks .

Also hated the nonexistent Wallonians, Pireneans, and Danireans

Explanation:Wallonia is the French-speaking region of southern Belgium. It’s known for its medieval towns, Renaissance-era architecture and traditional Trappist beers. Landmarks of the capital city, Namur, include baroque St.-Aubin Cathedral and the Citadel, a hilltop fort founded in the 10th century. Namur is the gateway to the southeastern Ardennes, an area of forested mountains, rivers and caves such as those at Han-sur-Lesse.

answer; taking up arms to defend the nation;

social contract theory, nearly as old as philosophy itself, is the view that persons' moral and/or political obligations are dependent upon a contract or agreement among them to form the society in which they live