Can a country become ungovernable?

What can happen when nations collapse?  [Rules for order and safety may no longer be enforced.]

Unstable Haitian governments go back to occupation by U.S. troops in the early part of the last century. And U.N. forces after an earthquake in 2010.  Do readers think U.S. or U.N. soldiers should go back and restore order?

Sometimes leaders of countries can and do come from military coups. Do readers know of any countries where this has occurred? [Myanmar.]

Former U.S. President Donald Trump falsely said the people elected him president in 2020. Do any readers believe this to be true?