By having a very insulting discussion with Chinese leader Mao Zedong in 1960, leading the USSR to a food shortage problem and by diminishing his fellow soviet officials, his public opinion went from bad to worse, so much that his vacation to Pitsunda Gorgia in 1964 got interrupted as Khrushchev got called back to be forced to resign as both premier and head of the communist party. Those were the most direct causes that led to Khrushchev’s fall from power.