I’m not sure if it’s too late for the United States. Howard Storm tells us about the two futures of the United States.
Freewill on this earth is real. We are living in real time with real consequences. God projects alternate outcomes based on the decisions that humans make in real time. If we repent, he can and does turn his anger away. For example:
Jonah 3:9-10 King James Version (KJV)
9 Who can tell if God will turn and repent, and turn away from his fierce anger, that we perish not?
10 And God saw their works, that they turned from their evil way; and God repented of the evil, that he had said that he would do unto them; and he did it not.