Well, some of the main characters are Harry, Ron, Hermione, Dumbledore, and Voldemort. But some minor characters that really help contribute to the story are the entire Weasley family, Remus Lupin, Sirius Black, and Snape.
Answer:
God can do great things through ordinary people who trust Him.
Explanation:
Gideon's faith in God's instruction led to him and the Israelites being rewarded. Faith in God's power leads to success.
Roosevelt is telling the American public that maintaining an isolationist policy amidst the war will not protect them. All the freedoms that he listed on his speech would be threatened by the march of the Axis powers and it would be a matter of time when they have to confront this threat.