<span>Two of the major factors were the railroads and the invention of the assembly line. With the finishing of the transcontinental railroad some 30 years earlier, the US had a nation that was linked coast-to-coast and was able to transport goods in a fraction of the time it previously could. With the invention and perfection of assembly line processes, those goods could now be produced in a fraction of the time, as well.</span>
<span>The correct answer is that Grant appointed many dishonest people to office. For instance, his cabinet was mainly comprised of corrupt men out that pursued their own interests rather than serving the people. This resulted in the various corruption scandals.</span>
<span>This is true. Anti-federalists opposed the Constitution because they thought it would take away basic rights and liberties such as freedom of speech. The Anti-federalists also felt that the Constitution would make state governments weak and make the federal government to powerful, which would leave citizens defenseless against them.</span>