Herbicide compositions that include herbicide concentrate compositions (“concentrates”) and “herbicide application compositions,” as well as precursors thereof, derivatives thereof, as methods of preparing and using these compositions, the herbicide compositions containing acid herbicide, amine surfactant, and inorganic acid. The following description relates to herbicide compositions such as herbicide concentrates and herbicide application compositions, as well as compositions that are precursors to these compositions or derivatives of these compositions, and related methods.