Answer:
B. Kublai Khan was able to conquer all of China, while Genghis Khan
was not.
Explanation:
He was able to increase the empire and even conquer more. Compared to his father, he was really successful.
The reason they went to war is when the Athens interfered in Persian affairs.
Entente-UK Canada Australia New Zealand British Malaya Russia
Central powers-Germany Austria-hungry
Because there had been many improvements made to succeed. Weaponry, generals, and tactics had changed. There was also more of a drive. The angrier the person,the more determined they are.