Kings, will expel the Muslim population that has governed Spain for eight centuries by 1492, at the same time that Columbus will set sail for the New World (Edwards vii). Spain is on the eve of cementing a national unity that will place them on the global stage as an unparalleled world power. By the time that Charles V is elected Holy Roman Emperor in 1519, Spain's already considerable influence increases exponentially; making Charles and thus Spain the most powerful leader in the world. The conquest