Hello all, <br/><br/>I would like to know the nature and function of the words in the phrase "that much". Here is the context: <br/><br/>"NOT every scrap involving armed groups in the same polity is a civil war: on that much the experts agree."<br/><br/>This sentence was borrowed from an article in The Economist. <br/><br/>My guess is that "that" is an adverb and "much" is a pronoun. The phrase "on that much" is an object for the verb "agree". <br/><br/>Thank you in advance for your help! <br/><br/>Ben