The NAACP reacted to the blaxplotation films by condemning the films’ portrayal of African Americans. Other groups that came out against the films were the Congress of Racial Equality (CORE) and the Southern Christian Leadership Conference (SCLC). Those three groups formed the Coalition Against Blaxploitation (CAB) in 1972 aimed at effecting positive change regarding the roles of African Americans in films.
Those days, Humans were in a developing stage and they had very less knowledge about things that people favoured etc. so basically frame a something which is related to development !
Jews were not allowed to marry Aryans. Aryans were the "perfect" person; blonde hair and blue eyes and Hitler believed that they were the supreme race. He did not want Aryans to be tainted by Jews and outlawed marriage between the two.
The constitution provides liberty for American citizens by outlining the powers of the government and limiting their power.