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

union
unity
harmony
agreement

The correct answer is D. agreement.

A consensus is a general agreement, especially one reached by a group as a whole. The other options are not synonyms for consensus.

  • Union is a state of being joined together as one.
  • Unity is the state of being united or joined as one.
  • Harmony is a state of peace and agreement.

In the given question, the group was unable to reach an agreement after a full one hour meeting. This means that they were not able to come to a common decision or understanding.