For the last question the answer is C.
Answer:
Unlike neighboring Spanish America, Brazil was a slave society from its outset. The African slave trade was inherent to the economic and social structure of the colony. Years before the North American slave trade got underway, more slaves had been brought to Brazil than would ever reach British North America.
Explanation:
Cotton Plantations I think
They created tons of things, the one you are asking for would be the assembly line.
i believe the militants and young italian groups supported Mussolini