What city became the first large commercial and administrative center in the world?

The answer is the Sumerian city of Uruk.

Uruk was the first city in the world that became a large commercial and administrative center.

The city was founded over 3,500 BC and it's most powerful has between 50,000 to 80,000 living in its 6km2 walls.

At the time, it was by far the largest city in the world and a unique human settlement of its kind with proper governing laws, administration and a huge commercial center. They also feature the first instance of the construction of monuments by humans.

Uruk is located in modern-day Iraq.

its c not d   tell me if that´s correct

d) a week

because the land run of 1889, although not without precedent in the history of the west, further, their men were aboard the first trains, ready to jump off and begin staking their claims. oklahoma city, edmond, and guthrie were all so affected.