This was known as the "iron curtain." It was a term used to describe the boundary in Europe, which formed at the end of WWII and lasted until the ending of the Cold War.
The correct answer is letter C. William J. Levitt was one of the pioneers of suburban home-building. He was an American real-estate developer widely known as the father of modern American Suburbia and is one of the most influential people of the 20th century. He was the president of the company Levitt & Sons.
The answer is C, Robert Kennedy got assassinated as soon as he won.
