Yes, the cost of slaves is minimal. But it's immoral.
It can change the world by having more money
the need for economic safety nets
Its ports were blockaded, so they couldn't import the goods they needed, having no manufacturing industry.
A monopoly is an industry or business having no competition.
Having a smaller, controlled population allows for economic reform, better standards of living and less pensioners to have to support.
Having the better industry, as well as a largely effective naval blockade against the Confederacy, the Union had much better weaponry available to them. Some of it was captured by the Confederacy, but not nearly enough the compensate for the industrial abilities of the Union states.
Having a job!
China and North Korea come the closest to having purely command economic systems.
Yes, he would be regarded as having been a captain of industry.
the south had fertile soil and a warm climate
An economic unit having access of funds and wants to lend his funds
Having accurate data in development and testing is important because it is what helps analysis issues. This is what makes things better.