The answer is Homo habilis
We have definitely come a long way, but we are far from equality. To this day, a black female will only get paid 64 cents for every dollar a white male makes.
Here is the correct order of events in Supply-side economics:
1) Taxes are lowered
2) Consumers and investors have more money
3) Businesses expand
4) Businesses prosper
5)The economy grows
This concept is a huge part of Ronald Reagan's economic policies during his presidency. This becomes a central focus of "Reaganomics." He uses this policy to drive the American economy during his 8 years as president.