What is 9 + 10 + 2 - 3 + 2 + 1

21
just break it down next time like this for example, 10+9 is 19 then add 2 = 21 subtract 3 which then becomes 18 instead of just adding 2 do this (2+1 =3) so 18 plus 3 is 21

Social darwinism refers to the the theory that people who succeed in our economic system will one day out compete those who fail. one day the rich will out succeed the poor so we'll that there will eventually be no more poor