What were the key features of the ‘Pax Americana’ according to Robert Cox?

What were the key features of the ‘Pax Americana’ according to Robert Cox? -2 pages Along with MLA citations -Please do focus on grammar -Be Specific and answer should be to the point. -Intro should not be more than 3/4 lines. -Do not use more than 2 sources -minimum of 3 quotations should be there from the sources cited