Which is a common tactic used in proxy wars? encouraging opposing powers' citizens to emigrate sponsoring wars of liberation and revolutions controlling another country secretly buying weapons in preparation for domestic warf

Proxy war is a war which is not fought on one's territory and in one's name, but somewhere else: such as the war is Korea, which was a proxy war between the US and Soviet Union. The correct answer is: sponsoring wars of liberation and revolutions controlling another country