Answer:
The answer is C. The Treblinka extermination camp
William M. Tweed was a boss of a political machine. The correct option among all the options given in the question is option "d". Tweed was a very infamous political boss who had immense control over the powerful Democratic machine in the New York city. He was born on 3rd of April in the year 1823 and died on 12th of April in the year 1878.
I think its C. hope this helps you
The Bali gamelan gong kebyar was the most important and most popular type of gamelan in twentieth-century. Kebyar which means "the process of flowering", refers to the drastic changes in tempo during that time. It was the best known musical of modern Bali Hindu.