Somewhat reluctantly, Congress agreed, and the Mexican War began. The Mexican War lasted one and a half years, and ranged all throughout Texas, New Mexico, and California, and even into the Mexican interior. Mexican resistance was stubborn and benefited from greater manpower than US forces, but ultimately proved futile.
Definition of pigment 1: a substance that imparts black or white or a color to other materials; especially: a powdered substance that is mixed with a liquid in which it is relatively insoluble and used especially to impart color to coating materials (such as paints) or to inks, plastics, and rubber
A pigment is a chemical that alters the color of a light wave by selectively absorbing one or more light frequencies. The feathers of a male cardinal are made red by special organic pigments called carotenoids. Birds get carotenoids from the plant materials they eat. They can make red, yellow, or orange colors in their feathers this way.