Answer:
The answer is B for this question
Uncle Sam refer to the Federal government of United States.
Explanation:
The Spanish-American War ended in December, 1898, when Spain surrendered to the U.S. and negotiated a peace treaty that sold Guam, Puerto Rico, and the Philippines to the U.S. Cuba remained independent, but strongly under the influence of the United States. The Philippine Republic went to war against the U.S. to defend its independence. The brutal war lasted three years, and was followed by a half-century of U.S. occupation of the Philippines
Uncle Sam (U.S.) is a common national imagery of the U.S. federal government or the country in general that came into use during the War of 1812.
When you here that term is usually refers WWII and the Nazi's. Concentration camps were basically huge "prisons" or barracks where the Nazi regime placed people deemed undesirable to the Aryan race. It was were a place where these people were labeled by numbers and all there possessions were taken away. There was very little food, and poor sanitary conditions. 11 million people were killed in these camps. 6 million Jews were the greatest number killed. The other 5 million consisted of other types of people that the Nazi's considered undesirable- such as Roma Gypsies, persons with disabilities, homosexuals.