Answer:
The education system of the song dynasty, allowed people from low social classes to have quality education and to obtain valued and well-paid professions.
Explanation:
The song dynasty education system allowed people to have full access to education and participate in examinations to become public officials, regardless of which social class the person belonged to.
This allowed people from lower social classes to rise their position through their professions, moving up the class and reaching higher levels within society, that is, education promoted social mobility.
Ethically no, you’re using free labor of people who are societally at a disadvantage. It models capitalism because you’re evolving as a corporation (financial prosperity) while the men/women in prison are doing hard labor and remaining at the bottom of the barrel (class wise). Also considering that prison environments are at the bare minimum (capacity,food,cleanliness) and still receive no type of funding to reform this issues show that big corporations have no morality/compassion DESPITE what the people might have/not done.
Slab pull is the cool dense crust sinking into the earth in subduction zones, this literally pulls the entire plate down with it. Ridge push is the lifting and pushing apart of the plates at spreading zones.
The Pacific ocean floor moves much quicker than the Atlantic because it has both slab-pull and ridge push acting on it, while the Atlantic only had ridge push (probably the weaker of the two forces)