Answer: for justice
In the statement " Many groups worked diligently for justice", the complete prepositional phrase is "for justice". A preposition presents or shows the relationships of the different elements in the sentence therefore, a prepositional phrase commonly is made up of a preposition and an object of the preposition. In the statement above, the presposition is "for" while the object of the preposition is the word "justice". It is very easy to spot a prepositional phrase because they neither have a subject nor a verb but prepositional phrase adds or leads the readers to more information .
An overall conclusion through a closing product on what you have talked about through the whole PSA video
Nationalism is best described as A.) A POLITICAL BELIEF THAT A NATION SHOULD HAVE THE RIGHT TO RUN ITS OWN AFFAIRS AND NOT BE RULED BY ANOTHER POWER.
Nationalism is a strong belief held by people of the nation that the interests of a certain nation-state are of primary importance. It includes the belief that people who share the same culture, language, and history should become an independent nation and be free from foreign dominion.
I believe the answer would be C because that is what there solution is to do.
If its not b i think it would be c