If Nicolás Maduro is removed from office in Venezuela, Putin might act as he did when a popular revolution overthrew Yanukovych in Ukraine, in 2014: with a surprise invasion of the Crimea. This time, Putin may launch a surprise naval and land attack on
— Read on www.gatestoneinstitute.org/13795/trump-putin-ukraine-venezuela

In this case Russia and China are who we are really fighting. They have much invested in this dictator and do not want to lose their power and leverage over a small but oil rich country. Maduro treats his people much like the citizens of Russia and China get treated, birds of a feather.