Even O'Sullivan himself talked about Manifest Destiny in broad terms before he coined that particular phrase: "The expansive future is our arena," he wrote in 1839.
<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>
Answer: Its A: Limit voting to a small portion of African Americans
Explanation:
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