The cartoon below was created in the 1800s: image of boss tweed. tweed is shown standing with his hands in his pockets. instead of a head, a bag of money sits upon tweeds shoulders. the caption reads, the brains that achieved the tammany victory at the rochester democratic convention. public domain based on the political cartoon, which conclusion can be made about boss tweed and the democratic party political machine known as tammany hall? the substantial power held by boss tweed and tammany hall was achieved through political corruption. business monopolies controlled the voting rights of citizens through boss tweed. the political machine became stronger as boss tweed built more factories. the greediness of boss tweed led to his downfall and the subsequent rise of tammany hall.