All I would know on this matter, is : America joined WWI because of the American lives being lost on Passenger liners such as the RMS Lusitania.
Group B is the Central Powers
Answer: Tigris and Euphrates
Explanation:
Mesopotamia. Mesopotamia was the earliest river valley civilization, starting to form around 3500 BC. The civilization was created after regular trading started relationships between multiple cities and states around the Tigris and Euphrates Rivers. Mesopotamian cities became self-run civil governments.
Answer:
Farmers needed to control the water supply because too much water or too little water would kill the crops (too much would flood the fields and too little would lead to a drought)
