Gunpowder, paper, printing, and the compass are sometimes called the Four Great Inventions of Ancient China.
Kites were first used as a way for the army to signal warnings.
Umbrellas were invented for protection from the sun as well as the rain.
Chinese doctors knew about certain herbs to help sick people.
Answer: to create a coalition between farmers in the South and West and urban laborers in the Midwest and Northeast. They received the support of union officials like Knights of Labor leader Terence Powderly and railroad organizer Eugene V.
Explanation:
Answer:
the kings of Europe lost quite a number of cities to the crusades
CO would be Carbon Monoxide
Turbidity. As your book/question states it is a measurement of cloudiness in water.