What Should Oppressed Muslims Do?
Taking up arms can only be initiated by the state. Please see the following for details and evidence from the Quran: Discussion 32275 Yes, if other countries have the means then they should wage a war against the oppressor. The oppressed need not even be Muslims – such a war can be waged to get rid of oppression against anyone. In fact, if another country has the means, then they’re obligated to wage a war against an oppressor. Please see the following for the entire law of Jihad: Discussion 32271