A remnant is not the civilization. Ancient Israel went through many crashes.
Actually, they a great example of the cycle, and one Toynbee used. After the heights of Solomon came the split of Israel. After the new Temple came the destruction of AD 70.
When a remnant rebuilds the civilization it most certainly is the civilization. Toynbee never understood society as revelation. As a result he could not comprehend America and neither can you.