De or het propagandacommissie?

The correct Dutch article is:

de propagandacommissie

Rule Words ending in -tie and -sie: almost always de. See the rule

How to use propagandacommissie

the propagandacommissiede propagandacommissie
this propagandacommissiedeze propagandacommissie
that propagandacommissiedie propagandacommissie
our propagandacommissieonze propagandacommissie
your propagandacommissiejouw propagandacommissie
every propagandacommissieelke propagandacommissie
which propagandacommissie?welke propagandacommissie?
a big propagandacommissie / the big propagandacommissieeen grote propagandacommissie, de grote propagandacommissie