The slavery started when colonists needed help doing their farms and they started to get all kinds of slaves until they realized that African slaves were the best.
The telegraph could be used to communicate the arrival and departure of trains at stations along railroad lines. Without it we wouldnt have things like phones or anything and to be able to send messages and such.
<h2><em>The Supreme Court is comprised of the Chief Justice and 13 Justices. The Chief Justice then appoints one Justice as the Minister of National Court Administration, a non-adjudicatory capacity. Therefore, in practical effect, the Chief Justice and 12 Justices discharge the adjudicative functions.</em></h2>