The aggressiveness—in the forms of racial and ethnic prejudice, imperial braggadocio, and unvarnished Eurocentrism—are all discursive in the travelogue.
Instead of changing outside occurrences to solve what we recognize as 'problems, ' we could also free ourselves from these problems by letting the discursive activities in our minds dissolve.
One question is a discursive essay, so you need to show the pros and cons of something or the advantages and disadvantages of something and give opinions.
So what follows the " that is" is a series of words and phrases that are themselves in need of an explanation no discursive elaboration could possibly provide.