Someone explain to Alexandria how rich people get rich

The+first-term+Congresswoman+Alexandria+Ocasio-Cortez%26%2339%3Bs+ambitiously+socialist+Green+New+Deal+to+decarbonize+the+U.S.+economy+and+create+jobs+isn%26%2339%3Bt+a+metaphor+for+money+%26mdash%3B+although+it+will+require+all+of+yours+and+much+more+just+to+attemp...: Alexandria Ocasio-Cortez doesn't understand why so much of the world's wealth is possessed by so few. The answer is diversity.