The correct answer to the question is C
Answer: Japan
Explanation: On December 7, 1941, Japan staged a surprise attack on Pearl Harbor, decimating the US Pacific Fleet. When Germany and Italy declared war on the United States days later, America found itself in a global war.
The one explanation for this fact based on the above statement is "Congress has authorized the use of military force without the support of the president." Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions here.