Answer:
The U.S. economy prospered more than the economies of European nations.
Explanation:
The end of WW1 caused a boom in the United States economy, leading the country to become the international superpower it is today.
Areas like the Indus Valley Civilization (India), Egypt and China developed advanced civilizations first. Yes, geography played an important role. All of these civilizations had large rivers to support agriculture, Indus river in Indus Valley Civilization, Nile river in Egypt and Yellow river in China.
The Industrial Revolution and new jobs in factories contributed to growth of cities in the late 1800's, as did immigration.
The answer is christians.
Hope this helped.
