Answer:
China conquered the Mongolian State in 1919.
Answer:
I won a contest and the prize was a scholarship to a college.
Explanation:
I think this is right. I am in 7th grade so this is how we would do it
The statement that [the city was well protected and repelled attacks by Invaders] best explains why Constantinople didn't fall until 1453. Since the people were armed and protected, invaders had several problems in breaking to the city at any point.