Answer:
Qin Shi Huang, decided that he wanted a single giant wall to protect his northern borders.
Explanation:
Castles
kings were nobles and the highest rank in society - royalty. pyramids were generally used as tombs of egyptian pharaohs, cathedrals were religious buildings, and hovels were small houses usually lived in by farmers or other laborers
Thomas Edison's invention of the light bulb changed American life tremendously. Thomas Edison was known for inventing what is called the light bulb, and that made a huge impact to have Americans live on a daily basis. Americans had a hard time seeing things in the dark, which caused a lot of complications when it comes to completing tasks or just going through and out buildings. Because of this invention, Americans could easily see things when inside a house, building, and when it's night time. The light bulb gave light so people can do tasks without having to do them in the dark. Without the light bulb, it would be very complicated to do things in the dark, and people would have a hard time going through the night or dark places.
They overall helped the Continental Army in some (or many) battles like the Battle of Saratoga