📖unanimous(adj)=fully in agreement on something
🔹Example:The board of directors was unanimous in their support for the new company policy

📖to preserve (v)=to cause something to remain in its original state without any significant change.
🔹Example: she managed to preserve her sense of humor under very trying circumstance.

🔖Adapt is used either when a change is made to make something more suitable for a particular use or when adjusting to a new place.
🔖Adopt is used when something is taken over, chosen, accepted or approved by choice.