Question

Nancy's stepdaughter jane tells nancy that unless she gives jane a check for $20,000, jane will no longer take her to the doctor or get her medicine from the pharmacy. nancy is old, can no longer drive, and has no other friends or relatives close by. furthermore, she needs her medicine and medical help. if she give

Answer 1

The question seems incomplete, the last part is:
If she gives Jane the check and then has second thoughts about having done so, she may:

The answer is, If she gives Jane the check and then has second thoughts about having done so, she may "ask that the contract be avoided based on undue influence".
Undue influence is a tenet that includes one individual exploiting an advantage over someone else. This disparity in control between the groups can vitiate one party's assent as they can't openly practice their free will.