What dose ax ± b = c equal to?

The last photo u wonder what is this telling me to do?

Which of the following is an example of relocation diffusion

The world wars of the twentieth century immediately led to a. the establishment of a communist bloc in eastern europe b. the urbanization of europe’s societies c. an emphasis on humanism d. an emphasis on ties to greek and roman societies select the best answer from the choices provided. a b c d