How is the constitution adaptable?

The US Constitution is adaptable because the Founding Fathers deliberately made it relatively vague--meaning that they didn't get too specific because they knew it would have to endure in the future, when minds and society would be greatly different. It's also adaptable because it allows for amendments, which keep the document relevant with modern times.

A resource-based or natural-resource-based economy is that of a country whose gross national product or gross domestic product to a large extent comes from natural resources.