Call off = cancel, abort, recall, repeal, rescind
invalidate = disprove, discredit, debunk
void = null, invalid, ineffective, useless, worthless
Hope this helps you. :-)
Answer:
Sacrifice for a loved one is not always easy.
Prehistoric means old and ancient so in this context it would mean that the mattress is ancient
Answer:
Her hope for her father's return
Explanation: