The US is much older than 250 years; we started this nation with God's Word as our leadership with the intent on serving Him.
It belongs to Him; how can we possibly assume credit?

Psalm 24:1 "The earth is the Lord’s, and everything in it."

If America was planted with intent to serve and honor Him, then taking primary credit for its blessings (prosperity, liberty, influence) is presumption. It risks the same pride that turns blessing into entitlement and leads to

The Spirit of
"it will never be enough"