Answer:
D. America's effort to fly supplies into Germany
Explanation:
You would need an Initial Public Offering (IPO). An IPO is also called a stock market launch and would allow the company's stocks to be traded publicly on the stock market. An IPO is underwritten by investment banks which also allows it to be traded publicly on the stock exchange.
I know it's not in the suggestions but I think it's Russia you know, correct me if I'm wrong btw.