The correct answer is option C: someone diagnosed with smallpox.
The person that would have been most grateful for the work of 19th-century scientist Edward Jenner, would be someone diagnosed with smallpox because Jenner was who discovered the first vaccine against the smallpox virus. Moreover, this disease that was widely spread in the 18th century and killed many people.
The correct answer is B) reducing unemployment and maintaining cash flow.
What best describes a central bank's primary goals is "reducing unemployment and maintaining cash flow."
In the case of the United States, the Federal Reserve plays the role of a central back in the country. Also known as the Fed, it is responsible for the monetary policy, oversees the financial system in the United States trying to minimizing problems and support banks when in need. The Fed headquarters are located in Washington D.C.
Answer: D They brought great wealth to Spain
Explanation: They made Spain a colony of Portugal. They opened the fur trade with American Indians. so it has to be D
The main purpose of the hotel reservation system is to ensure that there are enough rooms available for those who wish to occupy a room in a hotel, by organizing a list of those who have already booked.
