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.
The people of the United States will know of the Mexican-American War, but even they may not know the causes so today we will talk about the causes of the Mexican-American War. Causes of the Mexican-American War. Texas. Between 1835 and 1836 the Texas Revolution occurred. This revolution was because Texas, being a part of Mexico at this time, was not happy about the Mexican government.