What was the code name for the government program in which an atomic bomb was designed and constructed?

Project Mogul
Project Nutmeg
Operation Morning Light
Manhattan Project **

Correct.

Manhattan Project

Yes, that is correct. The code name for the government program in which an atomic bomb was designed and constructed was the Manhattan Project.

The correct answer is the Manhattan Project. The Manhattan Project was a top-secret government program during World War II in the United States, which aimed to design and construct an atomic bomb. The project was named after the Manhattan Engineer District of the US Army Corps of Engineers, which had headquarters in Manhattan, New York City. The project involved a large number of scientists, engineers, and military personnel working in various locations across the United States. The goal of the project was to beat Germany in developing the first atomic weapon. To find this answer, you could have searched for information about the atomic bomb program during World War II or directly looked up "government program for atomic bomb construction during WWII."