Changes in voting qualifications and participation, the election of Andrew Jackson, and the formation of the Democratic Party—due largely to the organizational skills of Martin Van Buren—all contributed to making the election of 1828 and Jackson's presidency a watershed in the evolution of the American political system
<span>connect into existing "Ethernet LANs"</span>
As far as I remember, the answer is: One historical contribution of the Neolithic period is the overall ability to grow crops. Neolithic period is the period when people earned advanced skills in growing corps.