The main way in which the Seven Years War did this was because although the war technically ended in a British Victory, the British suffered heavy losses--meaning that the colonists saw that the British were at least somewhat militarily vulnerable.
Generally speaking, <span>living and working conditions in the city improved during the Progressive era because Progressive reformers pushed the government to fight back against corruption in business that denied many people adequate pay and housing. </span>
It stemmed from the annexation of the Republic of Texas by the U.S. in 1845 and from a dispute over whether Texas ended at the Nueces River (the Mexican claim) or the Rio Grande (the U.S. claim).