Answer:
The campaign was heralded by the Battle of the Kalka River in May 1223, which resulted in a Mongol victory over the forces of several Rus' principalities. ... All Rus' principalities were forced to submit to Mongol rule and became vassals of the Golden Horde empire, some of which lasted until 1480
Explanation:
Answer:Japan was allowed to be part of international defence blocs.
Explanation:
allowed the United States to use their bases in Japan
