Human Interaction is the major causes of deforestation.
The correct answer here is the last option.
Legislative moves at an ever higher pace and the number of bills that is introduced during the legislative sessions has increased. The state legislatures introduce though more bills than the federal legislature and the percent of the bills they propose is on the rise.
Milestones: 1830–1860.Gadsden Purchase, 1853–1854. The Gadsden Purchase, or Treaty, was an agreement between the United States and Mexico, finalized in 1854, in which the United States agreed to pay Mexico $10 million for a 29,670 square mile portion of Mexico that later became part of Arizona and New Mexico.