The phrasal verb "hedged about" means to be surrounded or restricted by something.

Their life was hedged ____ with petty restrictions.
(a) around (b) about (c) round (d) at

The verb "harmonize" is followed by the preposition "with" when it means to be in agreement or accord with something.

Starting a new business is hedged ____ financial and staffing problems.
(a) in (b) about (c) out (d) over