The United Nations was formed after World War II in order to mediate disputes among nations around the world.
The United Nations still exists today and has over 100 members. This organization has been extremely important in tackling issues all over the world. This includes the genocides in Bosnia, Rwanda, and Europe in general during World War II. The UN has also proved a forum where countries can speak about international issues, like nuclear weapons and political conflicts between different nations.
A few things connect Ibn Battuta, Marco Polo, and Zheng He, even though their lives did not overlap. They each served kings and emperors. They each traveled enormous distances to places most people from their homelands had never seen.
John Robert Lewis (born February 21, 1940) is an American politician and civil rights leader. He is the U.S. Representative for Georgia's 5th congressional district, serving since 1987, and is the dean of the Georgia congressional delegation. His district includes three-quarters of Atlanta.
"B. The English Channel helped protect the island nation of Britain from invasion" would be the best option from the list, since this Channel was oftentimes very choppy with strong currents.