The reasons why Christopher Columbus explored because he wants money and to discover something new also to prove the king and queen that there is new land to explore
some reasons are....limited education, More war than teachers at home, and low in money
Answer: All of them except I think total number of students because no matter the number, people need these ramps
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.