Thomas Hobbes wrote that a person's most basic needed is science
Brunelleschi solve his problem with the dome of the Florence Cathedral by employing sets of diagonal ribs based on the pointed arch and he also created many layers of support within the dome. The answer in this question is by employing sets of diagonal ribs based on the pointed arch.
I think the answer is (b)
Answer:
Hitler had always wanted to see Germany expand eastwards to gain Lebensraum or 'living space' for its people. After the fall of France Hitler ordered plans to be drawn up for an invasion of the Soviet Union. He intended to destroy what he saw as Stalin's 'Jewish Bolshevist' regime and establish Nazi hegemony.