https://en.m.wikipedia.org/wiki/Fifth_column https://en.m.wikipedia.org/wiki/Fifth_column A fifth column is a group of people who undermine a larger group or n

https://en.m.wikipedia.org/wiki/Fifth_column https://en.m.wikipedia.org/wiki/Fifth_column A fifth column is a group of people who undermine a larger group or nation from within, usually in favor of an enemy group or another nation.