It was the "(1) location on waterways" that was a geographic factor that enabled the cities of <span>Nanjing and Mogadishu to develop into powerful trading centers.</span>
That it led to more free time and that it sparked their creativity to invent stuff, such as fire or the wheel. Domesticating animals led them to a whole new civilization, it gave them surplus amounts of food. That made the civilization thrive with people. Agriculture was a major factor.
Hoped this helped.
~Bob Ross®
The answer is<span> States developed offenses that could be mobilized rapidly, which is what happened at the start of World War One.
One of the famous tactics that used by Prussia against france during Franco-Prussia war was the rapid offense using a superior number of armies
to cut off opposition army before they could even make proper response.
This same tactic was used by Germany when they initiated the war.</span>
