It was the "Constitution" that was <span>established to settle disputes between the states, since this replaced the Articles of Confederation and in doing so placed a large majority of power in the hands of the federal government. </span>
<span>The </span>transcontinental railroad<span> helped to increase the speed at which </span>coast<span> to </span>coast communication<span> was possible. The railroad allowed for </span>
A) named the country the united states of america
