Commentator: If a political administration is both economically successful and successful at protecting individual li...

I seem to have a tough time picking up on key words and phrases that help a reader distinguish between the purposes of each sentence. Is there any way to practice this skill besides the practice questions. The review portion for Argument Structure does not offer insight on why my choices were wrong like the main idea portion, which is giving me a hard time understanding why I am wrong n certain situations.