Haggai 2:22 (HCSB) I will overturn royal thrones and destroy the power of the Gentile kingdoms. I will overturn chariots and their riders. Horses and their riders will fall, each by his brother’s sword.
The Bible clearly shows that the end of Satan's system of things is marked by brother killing brother. America has already experienced that once. I note that it did not seem to change much. Or do you have a different take on that war?
Proverbs 24:21 (CEB) Fear the Lord, my child, as well as the king. Don’t associate with those who are rebellious.
Proverbs 24:21 (DARBY) My son, fear Jehovah and the king: meddle not with them that are given to change.