olive oil, silver, and pottery
Americans worried because (A) any missile launched form Cuba could hit the U.S. within minutes.
Even though the revolutions did not succeed, the forces of liberalism and nationalism triumphed after 1850 because of the ideas of several individuals and artists such as Karl Marx and Gustave Flaubert. Another reason is that the people were made aware of the corrupt and deceitful actions of Napoleon III.<span />
I think it is a good idea to host the Olympic Games. The Olympics are a world-wide sports competition hosting over 200 countries, the Olympics are a good way to get the world united even in crisis to have multiple sports competitions.
Answer is B, the railroad system going through the cities.