The white primary was an example of what?

People who rely on maize as their major food source and when a hospitalized patient is given I.V. fluids devoid of vitamins over the longterm, often develop pellagra.

There are only 3 primary colors. With the primary colors, you can make all the other colors, excluding black and white. The primary colors are red, yellow, and blue.

The diary entry of a soldier who fought Native Americans during the American Indian Wars

Anything that eats plants, like a cow or a zebra

A primary job is where someone works from the land like a farmer or a woodcutter.