Which was not an advantage of the north in the American civil war a. More railroads

d is the answer. leo should include the source.

john smith was the first englishman to sail around the world. francis bacon served as attorney general and lord chancellor of england. he took up aristotelian ideas, arguing for an empirical, inductive approach, known as the scientific method, which is the foundation of modern scientific inquiry.

either d or b, i'm not to sure. but my gut tells me it's prob going to be b