It was most likely the smoked sausage Kristoforas ate that morning.
I got my answer here:
http://lindsaysocialstudies.weebly.com/uploads/1/2/5/0/12504986/us_history_primary_source_muckraking...
You see for yourself.
Answer:
The quest for Western influence contributed to the conquest of Texas and the Mexican-American War in the mid-19th century. This extension led to disputes over the fate of Western slavery, raising tensions between the North and South, leading eventually to the fall of American independence and a bloody civil war.
The action by the state of Maryland which led to McCulloch v. Maryland was that it attempted to stop a branch of the Second Bank of the United States from bringing in notes that were not made in Maryland, as they were taxed if they were from out of state.
This case led to the necessary and proper clause being used and is one of the most famous Supreme Court cases in the history of the United States.
The correct choice is B. The government