The Mexican American War was officially terminated on February 2, 1848, by Guadalupe Hidalgo's contract, in favor of the United States. Although the war was successful for America, President Polk lost public support because of two years of bloody and expensive war. He was succeeded by Zachary Taylor, the hero of the Mexican American War. In addition, this war has again triggered a debate about slavery, which resulted in a civil war.
Based on data, increased recycling of waste, solutions most likely led to the decrease in the amount of waste sent to landfills from 1990 to 2015. The answer is D.
