Manifest destiny was the reason the US claimed Oregon country.
According to the theory of supply and demand, the market is self-adjusting and companies compete by prices, so the government should interfere as little as possible in the economy.
The government of Ronald Regan followed this logic and was considered a neoliberal government, which advocates reducing the taxation of companies as a form of incentive to production and consequently to the supply of economy, since the productive activity of the companies corresponds to the aggregate supply of an economy (everything that goes on sale in the market).
In addition to the reduction in corporate taxation, the economic package called "Reaganomics" implemented a reduction in public spending, a reduction in income taxation and a deregulation of the economy. The consequences were economic growth, but with increasing social inequality between rich and poor.
