The text structure of "last words of great men" can be characterized as

Compare/contrast.

Explanation:

'Last words of Great Men' by Mark Twain offers a comparison and contrast of the life story of great men and women. Twain provides a humorous element to subject to death and counter the seriousness of death through light-hearted feel. He shares the legacy of renowned people and describes their words that are admired worldwide and live on like "Napoleon's "tete, da'rmee" "Joan of Arc's "tramp, tramp, tramp, the boys are marching", 'Cleopatra said "The Old Guard dies, but never surrenders', etc. Thus, the poem adopts a compare and contrast characterization in it.

explanation:

with the profits from the european sales, merchants purchased europe's manufactured  goods, including tools and weapons. then the merchants shipped those manufactured  goods, along with the  american  sugar and rum, to west africa where they were bartered for  slaves.

an informal structure in a bureaucracy would be something like so-called "office politics". where there's a formal structure set up for the organization, but then an informal subculture as well that has a way of organizing the bureaucracy further. this can be positive because it sets up an added degree of organization, albeit informal, within the bureaucracy.