The answer would be along the lines of problems with federal authority linked with the articles of confederation but in this case I would go with "D) The United States was a weak nation."
Answer:
Definitions?
Rebublic-a form of government in which the people elect, or choose, their leaders. (Ex. Presidents.)
Monarchy-a form of government that has a single person known as a monarch at its head. (Ex. King,Queen)
Explanation:
I hope that helps :)
D : Germany invasion of France