The answer is D- Andrew Jackson
Economics: the study of production, consumption and transfer of wealth
The Ottoman state began as one of many small Turkish states that emerged in Asia Minor during the breakdown of the empire of the Seljuk Turks. The Ottoman<span> Turks began to absorb the other states, and during the reign (1451–81) of Muhammad II they ended all other local Turkish dynasties.
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Your answer would be Influenza.
During the year of 1919, there was a global pandemic of a diseased called Infleunza, in other words, it's like a flu, but deadly. A pandemic is when there is an epidemic of a disease that has spread across a large region, in this case, this disease became global. This disease caused people to get sick, die, and pass it on to other people. It started spreading all across the world and most people were getting sick from it, it was a very dangerous time.