Answer:
Railroads improved the movement of people from one area to the other
Observation balloons gathered information about the enemy and communicated it back to the officers
Explanation:
i took the test.
They funded them with guns and ships and so the balance shifts
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Create a government with divided power
Answer: The 'Four Class System' was a legal caste system in the Yuan Dynasty. After the founding of the Yuan regime, Kublai Khan, the first emperor in the Yuan Dynasty, set up this system to consolidate the ruling status of the Mongolian Ethnic Minority, which had a small number with great disparity to the majority Han people.
Explanation: Brainlest would be appreciated.
Freezing Ice into Massachusetts at the time