
verursachen
to cause
To be the cause or trigger of something, usually something negative such as damage, costs, or a problem.
Der unachtsame Fahrer hat einen schweren Unfall verursacht.
The careless driver caused a serious accident.
to cause
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to cause
To be the cause or trigger of something, usually something negative such as damage, costs, or a problem.
Der unachtsame Fahrer hat einen schweren Unfall verursacht.
The careless driver caused a serious accident.
The verb 'verursachen' (to cause) contains the noun 'die Ursache' (the cause). So it literally means to be the cause of something.
Was ist die Ursache für den Stromausfall?
What is the cause of the power outage?
'Verursachen' (to cause) is almost always used for negative events or results. You cause problems, costs, an accident, or pain, but not joy.
Starker Regen verursachte Überschwemmungen in der Stadt.
Heavy rain caused flooding in the city.
The verb always needs a subject (the cause) and an accusative object (the result). The structure is: Who/what causes what?
Ein Kurzschluss hat den Brand verursacht.
A short circuit caused the fire.
to lead
Both verbs can link a cause to a negative consequence. „Verursachen“ presents something directly as the cause or trigger, while „führen zu“ describes the connection as a consequence that arises. Use „verursachen“ when responsibility is clearly the focus, and „führen zu“ when you want to emphasize the consequence.

Die lange Trockenheit verursacht große Schäden in den Wäldern.
The prolonged drought is causing extensive damage in the forests.
Die lange Trockenheit führt zu großen Schäden in den Wäldern.
The prolonged drought is leading to extensive damage in the forests.