I believe they had a plane with cameras that tools pictures and they saw in on there
The correct answer to this open question is the following.
The geographic feature of Mesopotamia that led to the Sumerians being easily taken over was the Tigris and Euphrates Rivers that made it easy for their enemies to navigate and invade them.
Sumeria was the oldest civilization known to man. Sumerians settled in the middle of the Tigris and Euphrates Rivers in the Middle East region. There, they developed agriculture techniques and learn how to use the flood of the rivers to grow crops in that fertile soil. That is how they prosper for some time until their enemies could access their city-states navigating through both rivers.
Great Britain won the Opium War against China.
No, it is false that the victory at Trenton was important because it caused France to sign a treaty with America that would provide the aid America so desperately needed, since French aid didn't come until later.