Answer:
B. Economic development would get rid of the need for slavery.
Explanation:
The Mississippi River<span> to the</span>Appalachian Mts<span>. The greatest concentrations of mounds are found in the </span>Mississippi<span> and </span>Ohio<span> valleys</span>
By looking at the maps of the United State where it is shown the distribution of the population in 1870 it is possible to see that in general both areas, the Northeast and the Southeast, show a significantly higher population density than the population density found in the West and the Midwest. With areas of population densities of 90 and over inhabitants per square mile in the Northeast and Southeast, contrasting with areas of population densities under 2 inhabitants per square mile in the east.
However, since according to the same map described above The mean center of population for the United States was located in southern Ohio, it could be possible to state that<em> in 1870 the Northeast was more densely populated than the Southeast.</em>
The correct answer is <span>(3) control of Jerusalem by Europeans
Jerusalem was in control by the Muslims from that area. When the first crusade was initiated it was done so to retake Jerusalem from the Muslims. The Europeans managed to do this and a long period of time passed before Muslims managed to reclaim it again for themselves. In the meantime, the Europeans had Jerusalem and tried to control the area.</span>
