Hey there,
Some problems included: The countries were very unhappy with the outcomes of the war, they all wanted revenge, Germany had a leader (Hitler) with enormous amounts of power and wealth, they were hugely effected by the Treaty of Versailles.
:)
Answer:
I believe Ruby Bridges
Explanation:
she was a young black girl who helped stop segregation in schools in the south in 1960.
Both countries were trying to colonize the Americas and they fought over land
Prince Henry was known as one of the most enthusiastic supporters of portuguese exploration.
So, the answer is : A ) Prince Henry.
-Hope this helps.