What are some similarities in the civilations of the Middle East, Africa, China, India, and Mesoamerica?

The ancient civilizations of the Middle East, Africa, China, India, and Mesoamerica were primitive in nature and have remarkable similarities.

Explanation:

These early civilizations were developed among the rivers because the rivers provide not only provides fertile land for farming but used in trading activities and thus have an economic aspect as well. Priests were the guardians of old wisdom and have existed since the earliest times. They have played a significant role in the ancient world. The uses of the Swastik symbol and hand motif in art has also been a strikingly similar feature.

answer; independent variable;

answer; how people relate to each other and influence each other;