According to Jeffrey Burton Russell , numerous cases of supposed acts of religious wars such as the Thirty Years ' War , the French Wars of Religion , the Sri Lankan Civil War , 9/11 and other terrorist attacks , the Bosnian War , and the Rwandan Civil War were all primarily motivated by social , political , and economic issues rather than religion . For example , in the Thirty Years ' War the dominant participant on the " Protestant " side for much of the conflict was France , led by Cardinal Richelieu
9/11
September 11 attacks
Religious war