According to reagans supply-side economics, the first step to triggering the cycle of growth was

The correct answer is Reducing Taxes.

Supply-side economics was an economic theory that defended that the way to economic growth is by lowering taxes and decreasing regulation. This way consumers will have a larger number of goods and services, with lower prices and this way the employment rate will increase and the result of that would be economic growth.

It may be a bit late but hope it helps.

location is the answer to this