What caused Colombian exchange

Question 10 of 102 pointswhat was one major effect of the spread of railroads throughout great britainduring the industrial revolution? oa. factories were able to more easily ship manufactured goods tomarkets across the country.ob. agricultural production fell substantially due to farmland beingreplaced with railroads.oc. steam engines fell from popularity due to railroads' reliance onalternative energy sources.od. iron replaced coal as the most important raw material produced ingreat britain.submit

What pact signed on 1949 reinforce that the united states would not return to an isolationist policy

What was one of the main accomplishments of louis ix? a) he was made a saint after his death b) he eliminated trials by jury. c) he called the first french parliament. d) he ended the taxation system.