In what year did the us congress pass the servicemen's readjustment act

What would lead a historian to consider two events to have a relationship of correlation rather than causation?

Is karma the same as destiny, in the sense that everything that happens to you is predetermined? do you believe that "what goes around comes around," and if so is this the same as karma? does everyone get what they deserve, in the end?

Aside from low birthrates and high death rates, what can cause a country’s population to decline