There DEFINETLY is a link in architecture. May it be Rome, Nazi Germany in the past, imperial Britain, the French Empire..... Certain ways of thinking tend to build certain ways. In art it does appear that you get the more propagandistic themes, tied to very expressive faces, large hands, feet........ The statues of Lenin for example that the communists place everywhere when they conquer the people of some land. Please explain your connection between moder art and amoral or immoral behavior!