7129. Despite a full one hour meeting, they could not arrive at any consensus.

✅ The correct answer is option D.
Union : the action of joining together or the fact of being joined together, especially in a political context.

Unity : the state of being united or joined as a whole.

Harmony : the combination of simultaneously sounded musical notes to produce a pleasing effect.

Agreement : harmony or accordance in opinion or feeling.

Consensus : a general agreement.

Synonym of Consensus is Agreement