Final answer:
Woodrow Wilson believed that creating an organization, eliminating secret alliances, and ending colonization would prevent another world war.
Step-by-step explanation:
Woodrow Wilson believed that Group A, which consisted of creating an organization to discuss and resolve problems, agreeing not to form secret alliances, and eliminating colonization, would help prevent another world war. Wilson's goal was to establish a League of Nations that would promote open dialogue and peaceful solutions between nations, thereby avoiding future conflicts. He believed that addressing the underlying causes of war, such as territorial disputes and secretive alliances, would contribute to creating a more stable international environment.