When was The US Constitution war?

The phrase "The US Constitution war" seems to be a misunderstanding, as there is no specific conflict known by that name. However, the U.S. Constitution was drafted in 1787 and ratified in 1788, following the American Revolutionary War. The Constitution itself established the framework for the U.S. government and has served as the supreme law of the land since its adoption. If you were referring to a specific conflict related to constitutional issues, please clarify.