I encountered this question before. It has the following choices:
<span>A. Political corruption B. current events C. influences of big corporations
D. all of the above </span> The correct answer is D. ALL OF THE ABOVE
ANSWER: Joseph Ferdinand Keppler was an Austrian-born American cartoonist who influenced USA with his cartoons which were satirical in nature. He portrayed a lot of social issues through his illustrations. The issues included Political Corruption, Current Events and Influences of Big Corporations.