Humanism had to do with the Renaissance as during the time period there were famous humanist such as Petrarch, Lorenzo Valla and Leonardo Bruni, just to add a few. Humanism would be considered new as appreciation for the art of living was growing and the potential in humanity was possible. The humanities would include beauty, art, talent, and education as new art was rising. It would be old due to the interest in classicism which was greco-roman along with ancient philosophy, logic, rhetoric, investigation and classic architecture which included symmetrical pillars and arches.
They have four capitals but the main one is Constantinople.
World war II ended in 1945, it looks like there was a large decline right after in 1946. The cold war began in 1947 until 1991, which is not seen on the graph. But yes, I would say C is the best answer.
A, cant be proven with this graph.
B Nothing about the soviet union on this graph. (unless there is another graph about the soviet union on your quiz?)
D, Wrong because it was at its lowest in 1946 not its highest