Answer:
Second question answer: There are some advantages of a command economy, and these include: Low unemployment rates due to the regulation of jobs by the government. Everyone has access to health care services and necessary services needed to live, and usually the fee is either low or free.
(I'm not sure about the 1st question)
President Wilson demanded that the Germans stop unannounced submarine warfare; however, he didn’t believe the U.S. should take military action against Germany. Some Americans disagreed with this nonintervention policy, including former president Theodore Roosevelt
In March 1916, a German U-boat torpedoed a French passenger ship, the Sussex, killing dozens of people, including several Americans. Afterward, the U.S. threatened to cut diplomatic ties with Germany
In response, the U.S. severed diplomatic ties with Germany on February 3. During February and March, German U-boats sank a series of U.S. merchant ships, resulting in multiple casualties.
Here’s what I got from an article
Answer: "a person who studies human history and prehistory through the excavation of sites and the analysis of artifacts and other physical remains."
I believe the answer is D a place where Muslim philosophers met to contemplate life. I hope this helps!