I am assuming that you mean in WW2. If so it change the face of Europe because other countries saw them as a threat and the threat would increase overtime. People didn't want to come to Europe especially with those two kind of government, Fascist and National Socialism many were scared to go to Europe. Mainly because their governments have authority over the people of the state.
The main reason pilgrims often have hard times attracting followers is the fear of change.
Prince Henry was known as one of the most enthusiastic supporters of portuguese exploration.
So, the answer is : A ) Prince Henry.
-Hope this helps.
The African Americans helped out the war majorly throughout that time period. They participated in protest marches and also tried to join the forces with blacks to fight for freedom.