Before they came they gave themselves blessings to pure the body.
Sunni Ali was the ruler of the Songhai Empire of the west Africa from 1465 to 1492. This dynasty was known to have its wide range of army that captured and fortified Timbuktu and Djenne. He conducted repressive policies against the scholars of Timbuktu, particularly in the Sankore region, with which he expelled to gain control of the town that Tuareg was handling. This was the time that a fleet patrolled the Niger River which lead to the surpassing of Mali Empire.
:
Monopoly: There is a single seller in the market
Oligopoly: every company in this market structure is aware of the actions of the other companies (oligopolies are a small number of companies controlling the markets- there are elements of collusion in this structure because the firms work together to control prices and the market)
Perfect Competition: There are no barriers to entry (lots and lots of competing companies that each have a small share of the market)
Collusion: 3 companies secretly enter into a price agreement (this is illegal in many cases)
Answer:
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Explanation:
