What do ancient china, egypt, mesopotamia and india all have in common

Explanation:

Mesopotamians developed specialized crafts and supported private entrepreneurship. They also were involved in foreign and domestic trade. B. Egypt Egypt’s economy was also based on agriculture. Egypt grew prosperous from the surplus of food from the fertile Nile valley. Egyptians developed industries and began to engage in trade. They traded their metalwork, crops for resources with surrounding civilizations like Mesopotamia. C. China The economy of ancient China was based on agriculture. China was made up of farming villages along its rivers. Manufacturing and trade were carried out by merchants and artisans in walled towns. The economies of these civilizations all started with agriculture. From there they developed industries and began to trade. IV. Intellectual The civilizations of ancient Mesopotamia, Egypt and China all contributed their own intellectual outlooks and advances to history. A. Mesopotamia Mesopotamia developed a form of writing known as cuneiform. Their writing evolved from pictures into signs. Mesopotamians used writing mainly for record keeping.