ways to protect their messages. The solution, the birth of code. Codes and code breaking was significant to every side of World War II and was an important part of ending World War II. The world used codes and code breaking for many reasons. First, all sides of the war needed to hide their messages. Radio signals were becoming very easy to intercept, so people looked for a way to hide and protect their messages. As a result of codes, others looked for ways to break those coded messages and