It affected trade because the geography
The answer is C. Capitalism.
Narrowest point of land along Central America and the bodies of water helped as well
Panama Canal
War and the space race
I believe the answer is: Gaining control of Paris and forcing a change in the monarchy.
The revolutionaries planned to do this by eliminating Charles X , (who succeeded king louis after he was executed by his own people) . Eliminating Charles X from the government marked the end of monarch system in France, and changed it to popular sovereignty. Leaders of france was elected through democratic election after this event.