Answer:I believe the answer is tanks.
Explanation:Tanks are armored vehicles designed to combine the military factors of fire, maneuver and protection. Although the concept of armored vehicles preceded the Great War, the tank was specifically developed to overcome the stalemate of trench warfare on the Western Front that followed the First Battle of Ypres (19 October-22 November 1914). The marrying of recent technological advances, such as the internal combustion engine with armor plating, enabled the tank’s development during World War I.
At the end of 1917, the Bolsheviks only effectively controlled Petrograd, Moscow, and the territory between both cities
Apart from 1/3 of Europe's population dying off, the aristocracy began to lose their power and status. Many people lost faith in the church, and there were labor shortages, peasant uprisings, etc
Mansa Musa establish Mali as a center of Muslim culture because:
C. He brought Muslim scholars, artists, and teachers to work in Mali.
He brought architects, merchants and scholars from other territories; and also embarked on a large building program, building universities, markets, libraries and mosques, establishing Mali as a reference of culture.
Answer:
The first is False
The second is his skill as a gladiator
(I'm not 100% sure that's the answer to the second)