6th grade history i mark as brainliest

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

Why do many scientists suppose the land bridge theory of migration?

Select two reasons for the division of power in a limited government. limit misuse of power protect the rights of individuals leaders stay in power leaders inherit power control freedom of speech