What knowledge about human behavior and the social environment do social workers need to work competently with diverse population groups?

answer; /// the only one of the above that makes good sense is ( the poor,plz check luck

your answer is rising unemployment and inflation.

i only have part a but here is the first one: - lewis and clark are born

- lewis marries sacajawea and clark is jealous  

- clark drowns lewis and then goes to jail

answer; lexical approach;