In my limited experience, civil war became a popular threat since the 2016 elections, particularly the 2020 elections. There were plenty of indicators of unusual unrest and support from national leaders to fight if necessary, from both parties.

The constitution and founding fathers called for the exercise of the second amendment whenever the government went rogue, like trying to change the constitution, such as the electoral college, which ensures representation of minority populations, like farmers and other hands-on workers.