<h2><u>Answer:</u></h2>
Serfs were the laborers of lowest levels in many zones of medieval Europe, however, in some, there were slaves, who were at a lower level. Serfs were not slaves but rather were not allowed to leave the land where they worked.
Their commitment with their medieval master was shared; he had commitments to them, to give a place and ensure them, similarly as they had commitments to him, to give a piece of the product, or later, cash for lease. Serfs couldn't be purchased or sold.
They had a place with the land, not the ruler. In the event that the master sold the land, they ran with it. The new proprietor did not have the alternative of moving them off the land.
<span>The simple reason for many manufacturers to relocate to South is because the labor found in the South is much cheaper which means they can find plentiful low-cost labor as compare to the North. The other reason is the weak Unions found in the South which create less problematic situations for the manufacturers resulting in more profit.</span>
If i'm sure of what your asking, it was Great Britain, Russia, and France.
Sparta wanted to overthrow the Athenian oligarchy. Athens wanted to become the most powerful city-state in Greece. Sparta and its allies felt threatened by Athens's growing power.