An invasive species is often to an area where it has been introduced. A. harmful B. harmless C. essential D. beneficial Please select the best answer from the choices provided A B C D

Which of the following encouraged westward expansion? a.the government decreased the price of federal land. b.each of these represents actions taken to encourage westward expansion. c.the government decreased the price of federal land d.the second national bank lowered the cost of borrowing money (reduced interest rates)