The first human cities in the history of the world showed up at; B: Mesopotamia
Throughout the history of the world, cities have always been attractive to more and more people because they useful as centers of learning including culture, and great economic opportunities.
However, this explosion of migration to the cities has lead to some very large cities that are home to as much as 15 million or more which could lead to overpopulation and potentially health hazards.
Now, the first cities in the world from history are said to have appeared thousands of years around 7500 BC ago in Mesopotamia which had very fertile lands. The cities formed here include those in euphrates and even along the Nile River in Egypt.
Read more about Mesopotamia at; https://brainly.com/question/22701821
