Einstein got ever more involved in politics, agitating for an end to the arms buildup. (campaigning, fighting, supporting)

Einstein got ever more involved in politics, agitating for an end to the arms buildup. (campaigning, fighting, supporting) English Class 10, Class 10

Here are some sentences from the story. Choose the word from the brackets which can be substituted for the italicised words in the sentences.

Question: Einstein got ever more involved in politics, agitating for an end to the arms buildup. (campaigning, fighting, supporting)

Answer: (iv) campaigning