Original sentence: One critic also contends that Libertarian campaigns against Democrats tend to be more frequent and more energetic than their campaigns against Republicans.The tendency of the American right to co-opt the language and social critiques of Libertarians with regard to market deregulation (for example, the frequent citing of studies by the Cato Institute) contributes to a perception of Libertarians as right-wingers
Edited sentence: Critics also contend that Libertarian campaigns against Democrats tend to be more frequent and more energetic than their campaigns against Republicans.The tendency of the American right to co-opt the language and social critiques of Libertarians with regard to market deregulation (for example, the frequent citing of studies by the Cato Institute) only further cements the image of Libertarians as right-wingers