Answer:
The Great Wall of China is an ancient wall in China. The wall is made of cement, rocks, bricks, and powdered dirt. It was built to protect the north of the empire of China from enemy attacks. It is the longest structure humans have ever built.
Explanation:
Answer: What was the main use for airplanes in World War I? Airplanes enabled soldiers to observe troop movements and locations. Airplanes allowed for the quick movement of resources. Airplanes eliminated the need for soldiers in the trenches.
Explanation: In my words i think because if they need to shoot from high ground insted of from the floor so they can get a better shot.
They followed the lines of ancient glaciers. They were defined by large farms and grasslands. They followed the system of rivers, canals, and dams. They were naturally defined by deserts, mountains, and seas.
At the end of the English Civil War, the monarch was executed and replaced by "Oliver Cromwell", since at first there was a massive power vacuum that needed to be filled.
Sun Yat Sen was a Chinese politician, medical doctor, and philosopher that served as the first provisional president of the Republic of China and he was the first leader of the Kuomintang.
