The U.S. Supreme Court hands down its decision on Sanford v. Dred Scott,<span> a case that intensified national divisions over the issue of slavery.</span>
They may “pocket veto” a bill
The answer is A) it gained better building materials from the steel industry, because in the second industrial revolution, the invention of steel provided a strong, easy-to-produce material. Railroads were rapidly expanding, and were using up lots of resources to be built. Steel production started to help the railroad system, since it became one of the major materials used for construction of railroad tracks.