Both Uses of

bond
in
I Know Why the Caged Bird Sings

As the Japanese disappeared, soundlessly and without protest, the Negroes entered with their loud jukeboxes, their just-released animosities and the relief of escape from Southern bonds.
p. 209.8 *

bonds = restraints

I didn't hear sadness in her voice, and that helped me to break the bonds of terror.
p. 289.5

bonds = ties or connections

Definitions:

(1) (bond as in: a close bond)
a close connection; or to form such a connection; or something that holds things together (creates a connection)
(2) (bond as in: the bond market)
a certificate issued by a government or corporation that promises to pay a debt with interest in return for a loan
(3) (bond as in: released on a $10,000 bond)
an amount of money a court orders a defendant to pay to be released from jail prior to a trial (The money is returned after trial, but is collected to help assure the defendant will appear at trial.)
(4) (bonded as in: all our employees are bonded)
insured to cover any loss resulting from dishonesty
(5) (meaning too rare to warrant focus)
meaning too rare to warrant focus:

Less commonly, bond can refer to:
- a formal or sincere agreement
- a duty
- a specific way that atoms are held together
- a type of paper
- a specific way of laying bricks
- something used to tie things together or prevent free movement