What does it mean to promote the general welfare?

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?

1.who controls fascism government? 2.who controls communism gov? 3. how do they stay in power

What two advances did europeans borrowed from china