Answer C: breakup of the USSR
Answer:
Knights
Explanation:
Knights were part of the medieval military and they served whoever employed them, which were mostly monarchs and nobles.
1) The law of self interest - when people work for themselves and their own good
2) The law of competition - people make better products because of competition
3) The law of supply and demand - enough goods would be produced or supplied at the lowest price to meet the demand in a market
