____________________
.
(
January
15
,
1929
?
April
4
,
1968
)
was
an
____________________
and
____________________
who
became
the
most
visible
spokesperson
and
leader
in
the
____________________
from
1955
until
his
____________________
in
1968
.
King
is
best
known
for
advancing
civil
rights
through
____________________
and
____________________
,
inspired
by
his
____________________
and
the
nonviolent
activism
of
____________________
.