front 1 Cotton gin | back 1 A machine that separates cotton from its seed |
front 2 Interchangeable parts | back 2 Parts o a machine or device that can be replaced by another identical part |
front 3 Application | back 3 Way in which something is used |
front 4 Reaper | back 4 A machine that cut grain for harvesting |
front 5 Stagecoach | back 5 Large carriage pulled by horses used to carry passengers |
front 6 Steam engine | back 6 A machine that uses steam from boiling water to creat power |
front 7 Previous | back 7 Coming before; earlier |
front 8 Immigrant | back 8 Person who lives in a country in which he or her wasn't born in |
front 9 Union | back 9 Group of states or nations that are ruled by one government or that agree to work together |
front 10 Manifest destiny | back 10 The belief that the United States had a right to expand its border west to the Pacific Ocean and south to the Rio Grande |
front 11 Trail of Tears | back 11 The name given to the forced march of 15,000 Cherokee in 1838 from their homes in Georgia to the Indian Territory |
front 12 Wagon trail | back 12 a line of wagons led west by an experienced guide |
front 13 Discrimination | back 13 unfair treatment of people based on their differences |
front 14 Treaty of Guadalupe Hidalgo | back 14 the treaty under which Mexico sold territory to the United States |
front 15 Gold rush | back 15 the sudden rush of people to an area where gold had been discovered |