Select any issue from international affairs that involves a difference of opinion. What are the different sides. Use levels-of-analysis to explain which side should or, will, prevail. Or use them to explain why an event happened the way that it did. Provide a theoretical ethos to support your view. different sides. Use levels-of-analysis to explain which side should or, will, prevail. Or use them to explain why an event happened the way that it did. Provide a theoretical ethos to support your view.