If you're writing an article about a real or perceived threat, especially one that is not well-known or widely recognized, start with a real personal anecdote. Show how someone has been harmed (or could have been harmed) by the threat. Then move to the more theoretical argument, defining your terms, narrowing and clarifying your argument. Refer back to the anecdote at the end to demonstrate either the significance of the threat or how it can be avoided or eliminated.
As for the content for article marketing, the main purpose of those is to get backlinks. While it is still recommended to have good quality articles, there is no way you will write truly unique content for each of hundreds article directories. However it does not mean you can start submitting meaningless robotic content to them. Article still MUST have sense and bring some value to the reader.
Das Ziel ist es also, alle Stadtnamen von der Tabelle unter http://de.wikipedia.org/wiki/Liste_der_Gro%C3%9Fst%C3%A4dte_in_Deutschland#Aktuelle_Gro.C3.9Fst.C3.A4dte zu extrahieren. Dazu benötigen wir zunächst einmal den entsprechenden XPath-Ausdruck, den wir mit dem Firebug Addon FirePath bekommen, indem wir auf den ersten Stadtnamen mit der rechten Maustaste klicken und im erscheinenden Kontextmenü den Punkt „Inspect in FirePath“ auswählen. Die folgende Abbildung verdeutlicht das: