Question

From which country did the United States need to buy rights before building a canal across Central America?

Great Britain
Portugal
France
Germany

Answer 1

It is France, United States needed to buy tights form France to build the canal

Answer 2

The answer to this question is France.
During that time, the northern America was mainly controlled by France and Britain, the central America was mainly controlled by the france, and the southern America was mainly controlled by the Spanish.
The Canal that we planned to built during that time crossed a part of France's territory.