Answer: They used irrigation to bring water to crops and fields.
As i read your question it shows that the answer is letter D
Answer:
sometimes called the dark ages or medieval
Explanation:
The head of the armed forces depends upon the place. For the British Armed Forces, the commander - in - chief is the queen, Queen Elizabeth II. For US, the head of the Army which is consists of Navy, Air Force, Marine Corps, Coast Guard, etc is headed by the President. Thus, the answer to this item is FALSE.
