The correct answer for the question that is being presented above is this one: "B. building of the transcontinental railroad --> disappearance of the frontier." The pair of events that did the first event most directly influence the second is the building of the transcontinental railroad --> disappearance of the frontier.
<span>The APR would be 20%. This would yield Sam $600 in a year, so he would earn $300 in six months as long as the interest was non compounding. The interest rate is multiplied by the amount of principal, and then multiplied by the amount of time. In this case the time is 6/12.</span>
An establishment of the directory (i think)