What is a characteristic of realism?

In the poem "we wear the mask," paul laurence dunbar voices his repressed anger and frustration toward american society. he repeats the title phrase three times in the poem, using the words mask and we to show that the first use of the phrase is matter-of-fact. in the second stanza, the statement is followed by a period, which shows resignation. however, at the end of the poem, dunbar almost shouts the phrase defiantly. the mask seems to become something he wears proudly. through this gradual emphasis on the phrase, dunbar could be implying that

Healthcare employees tend to have more stress involved with their employment. eustress is a positive way that stress is relieved, and can lead to more productive activities. what do you plan to do for a hobby, or form of stress relief when you are working in the healthcare field?

What is the structure of the following sentence? although i have already visited africa, i would certainly like to return.