De or het slotresolutie?

The correct Dutch article is:

de slotresolutie

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

How to use slotresolutie

the slotresolutiede slotresolutie
this slotresolutiedeze slotresolutie
that slotresolutiedie slotresolutie
our slotresolutieonze slotresolutie
your slotresolutiejouw slotresolutie
every slotresolutieelke slotresolutie
which slotresolutie?welke slotresolutie?
a big slotresolutie / the big slotresolutieeen grote slotresolutie, de grote slotresolutie