history homework 12

http://www.washingtonpost.com/blogs/plum-line/wp/2015/07/06/the-next-big-liberal-cause-universal-child-care/
States Rights for the Left by Jeffrey Rosenhttps://www.nytimes.com/2016/12/03/opinion/sunday/states-rights-for-the-left.html?_r=0
Based on the article answer the following question: How can states rights now become a tool for liberals in todays political system? Give 3 examples from the article to support your answer.