I believe the answer you are looking for is B.
Answer:
His main objective was to overthrow the Cuban President, Fidel Castro
Explanation:
After President Kennedy assumed office, he was let in on a plan designed to overthrow Castro. The plan involved giving different military training to Cuban exiles and then sending them to invade Cuba and defeat Castro. Kennedy's advisors assured him that the plan would work but Castro got wind of the plan and only 300 out of 1,200 people sent survived the onslaught. The failure in the plan created more tension between the United States and other communist countries.
Answer:
Chelmno was the first extermination camp that the Germans established on Polish soil. Murder operations began there on December 8, 1941, and continued intermittently until January 1945. The Jews of the Lodz ghetto and the vicinity were the primary victims deported to Chelmno, where they were murdered by means of gas vans.
The Russian Civil War that broke out after the revolution was between Reds and Whites.
The correct answer is Upton Sinclair.
This American author became a national name with his book "The Jungle." This fiction novel was based on the real working experiences of individuals within the meat packing industry during the early 20th century. The disgusting habits/practices of this industry and the terrible working conditions described gained national attention, eventually leading to president Teddy Roosevelt passing the Meat Inspection Act of 1907.