Answer:
Koreans defended their kingdom from the Mongol invasion.
Explanation:
During 1231, Mongol king Ogedei Khan ordered an invasion in Korea against Goryeo empire. These invasions were consist of six campaigns throughout the Korean Peninsula, caused the tremendous cost of civilian life. Throughout campaigns, Korea became a tributary ally of the Mongol Empire (Yuan Dynasty) for about 80 years.
For muslims jerusalem is a site of key events in the life of jesus and other important figures
In an early uprising, the Italian state of Piedmont declared war against Austria and lost
Back then, Austria was one of the most powerful Empire in the world and the state of Piedmont simply did not have enough allies and power to win against them
hope this helps
Should be the second answer (b)
