Santa Fe trail was a transportation route which was famous in 19 th century, it linked Santa Fe, New Mexico with Independence, Missouri. It was discovered by William Becknell. It was a major highway until the railroads were introduced to Santa Fe in 1880 and when US came to acquire the South west after the Mexican-American War, trail helped in the new settlements in the region and helped in US expansion. It served as an important commercial highway, the highway was also used during Mexican-American war to invade attack mexico.
Answer: The Constitution has been changed by basic legislation by Congress, actions taken by the President, key decisions of the Supreme Court, the activities of political parties, and ect.
