I think it's either A or C. I'm 80% sure it's A
Comparing the untouched united states during the time before it was settled by Europeans to modern america
Active military intervention
Marco Polo was a Venetian merchant who travelled the Far East reaching the empires of China and Mongolia. Along with his family, interacted with the emperors of both countries and was believed that he was once a special guest of a Chinese emperor during his travels. His voyage made the Europeans know more about the lands at the Far East of the globe and became vital for trade and industry.
