In the context of the cartoon, the "many headed monster" typically represents a consolidation of various issues or entities that are perceived as problematic or threatening. Without more specific context about the cartoon in question, the best choice among the options provided is often the Second Bank of the United States (option d), as it was frequently depicted in political cartoons of the time as a powerful and controversial institution that was involved in multiple economic issues.
However, if the cartoon's focus was more on specific policies or regional tensions, the answer could vary, so it's important to consider the specific themes presented in the cartoon.