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.
Mexican War. after disputes over Texas lands that were settled by Mexicans the United States declared war on Mexico in 1846 and by treaty in 1848 took Texas and California and Arizona and New Mexico and Nevada and Utah and part of Colorado and paid Mexico $15,000,000.