Which of the following statements is FALSE? a. The transcontinental railroad began in 1863 and was completed in 1869. b. The Civ
il War halted railroad construction in many states. c. The steam engine was first used in England and then in America. d. The one disadvantage of the railroads was that trains could not operate year round. Please select the best answer from the choices provided A B C D
<span>The columbian exchange was based on interactions between the old world and the "New World," since it involved the exchange of goods, ideas, etc between places like the Americas and Europe. </span>
