Lake Roosevelt Fish Species. Native and hatchery rainbow trout, native and hatchery kokanee salmon, walleye, smallmouth bass, largemouth bass, yellow perch, lake whitefish, mountain whitefish, brown trout, brook trout, burbot, sturgeon, cutthroat trout, bull trout, black crappie, pumpkinseed, brown bullhead, yellow bullhead, channel catfish.
The war between the United States and Mexico had two basic causes. First, the desire of the U.S. to expand across the North American continent to the Pacific Ocean caused conflict with all of its neighbors; from the British in Canada and Oregon to the Mexicans in the southwest and, of course, with the Native Americans.
â¢ Mexican War Definition: Area of the present-day United States that Mexico agreed to give up as part of the Treaty of Guadalupe Hidalgo, which ended the Mexican-American War. This territory included all of the present-day states of California, Nevada, and Utah and also parts of Arizona, Colorado, New Mexico, Utah, and Wyoming.