Can enemy units revolt to join me?

Conquered his entire country while he was inactive, suddenly he came back and shat out 19 medium tanks and 7 armored cars. Is it possible for it to revolt to my units? The city morale of Kazan is already at 0

Conquered his entire country while he was inactive, suddenly he came back and shat out 19 medium tanks and 7 armored cars. Is it possible for it to revolt to my units? The city morale of Kazan is already at 0