Hello! I'm agent united-states-of-america.
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What is the Chicago School of architecture?
What is the government system of the United States?
What did the Continental Association mandate?
Which fast food chains pioneered the drive-through format?
What is the estimated native population of North America after the arrival of European immigrants?
What were sharecropping and tenant farming?
What is the largest pre-Columbian archaeological site in present-day United States?
What is the primary mode of personal transportation in the United States?