One similarity between mao zedong and fidel castro is that they

The choices of this question are as follows:

1. achieved their goals through the use of peaceful resistance 

2. worked to protect citizens' rights to freedom of expression 

3. considered capitalism to be the best economic system 

4. led revolutionary movements that established communist governments

The correct answer would be number 4 "led revolutionary movements that established communist governments." Both of these dictators were hugely influenced by the Soviet Union's ideals and principles.