Question: Roberta Brooke Astor, was an American philanthropist, socialite, and writer who was the chairwoman of the Vincent Astor Foundation, and great-great grandson of America's first multi-millionaire John Jacob Astor, a German–American businessman, merchant, real estate mogul and investor who mainly made his fortune in fur trade and by investing in real estate in or around where??
Sentence (from "American Fur Company"): Expanding into many former British fur-trapping regions and trade routes, the company grew to monopolize the fur trade in the United States by 1830, and became one of the largest and wealthiest businesses in the country.
Relevant evidence: No