Answer : 2. "Jay Cooke & Company"
Explanation :

Answer: B) Jay Cooke & Company Explanation: Jay Cooke & Company, a major component of the United States banking establishment, found itself unable to market several million dollars in Northern Pacific Railway bonds in september 1873. Cooke's firm, like many others, had invested heavily in the railroads.   Hence, the bankruptcy of Jay Cooke & company initiated the Panic of 1873.