Why Are There No More Executions?

In our world's history, there have been some nations that have been considered to be the greatest of the nations. America is one such country. But did all the greatest countries get their greatness in the same way? Our founding fathers were quick to note that the greatness of America was because of God's Mighty Help. So, question - "If America has become a great nation because of God's Help, will we remain great the more we turn away from Him as a nation?"