In the above context, Roosevelt considers a victory in support of his people by which they can attain the democratic freedom and rights.
President Franklin D. Roosevelt gave one of the famous speech “Four Freedoms” in which he talked about the problems that the native Americans have to face. He asks his people to support in the struggle of Independence. He appeals to the people and reminds them of the basic four freedoms which they need to be entitled to. The four freedoms are the freedom of speech and expression, the freedom to worship God in his own way, freedom from want and freedom from fear.
Answer: The answer is C. The infinitive "to know" is functioning as an object.
