The correct answer to this open question is the following.
You forgot to include the options for this question. However, we can say the following.
The statement that best describes a security reason that the United States built the Panama Canal is "ships pass through the Panama canal at all hours all year long."
After the French could not finish the monumental task of building the Panama Canal, the United States finished it in 1914. It represented a strategic place for the United States for the many ships that crossed from the Pacific Ocean to the Atlantic Ocean, for the trade and transportation opportunities it generated, and for the presence that the US had in this region of Central America and its connection with South America.
