The slave market is in the Commerce

The slave market is in the Commerce Street.
The slave trading business was just barely scraping along on the Milis continent and in the southern parts of the Central Continent. However, it's different here in the north.
Here, the slave trade is perfectly legalised in most countries, and is endorsed. To the countries in the northern parts of the Central Continent, the slave trade is an important business. They're reliant on it to the point where the countries wouldn't be able to survive without it.
There are a variety of reasons for a person to become a slave.