21. The period from 1865 to 1920 was one of inventions in the United States. Name one invention in communications and one in transportation from this period that had an important impact on the lives of Americans. Explain how each invention affected people's lives.

Which of the following correctly describes a repurchase agreement? the sale of a security with a commitment to repurchase the same security at a specified future date and a designated price. the sale of a security with a commitment to repurchase the same security at a future date left unspecified, at a designated price. the purchase of a security with a commitment to purchase more of the same security at a specified future date.