resistance movement; the Resistance
Refers to organized opposition, especially popular resistance against military invasion. Sense 2 is the specific historical French Resistance against Nazi occupation in WWII, but the word is also used for other resistance movements.
from French résistance
The French Resistance fought bravely against the Nazis.
Resistance movements often arise in occupied countries.
When he was young, he joined the Resistance.
The French Resistance movement developed under Nazi occupation.
Resistance against the occupying army broke out in various places.