despenalizasen
-they decriminalized
The word despenalizasen is the imperfect subjunctive form of despenalizar in the third person plural.
See the full despenalizar conjugation

despenalizar

A este respecto, el Gobierno informó que, en 2004, el Presidente de la República del Senegal había convenido en que se despenalizasen los delitos de prensa.
In this connection, the Government informed that, in 2004, the President of the Republic of Senegal had agreed that press offences should be de-criminalized.
Want to Learn Spanish?
Spanish learning for everyone. For free.
SpanishDict Premium
Have you tried it yet? Here's what's included:
Cheat sheets
No ads
Learn offline on iOS
Fun phrasebooks
Learn Spanish faster
Support SpanishDict