1.

1). Understanding2). Arrangement3). Compromise4). Accord

Answer»

The correct WORD is ''compromise'' which means ''an AGREEMENT or settlement of a DISPUTE that is reached by each side making CONCESSIONS.'' Other words are not INCORRECT too, but the article 'a' restricts their use in our sentence.So option 3 is correct.

Understanding: Grasp

Arrangement: grouping

Accord: agreement or pact. 



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