sentences:  However, decentralization has been viewed critically by some, who claim that in dividing up regions, administrators have at times ignored the distinctive cultural and historical factors that define different areas.In a speech to the Human Rights of Indigenous Peoples in Latin America conference, Toledo expressed disappointment at the growing disparity between the incomes of indigenous people and other citizens.Despite the growth achieved by the Peruvian economy, the poverty gap has widened between the upper and lower classes.