Look at the text below. If there is an error with subject-verb agreement, select the incorrect verb and type it correctly. Otherwise, submit the text without making any changes.
During
World
War
I
No
Man's
Land
the
area
that
separated
the
front
lines
of
the
opposing
armies
were
the
site
of
the
Christmas
truce
of
1914
During
World
War
I
No
Man's
Land
the
area
that
separated
the
front
lines
of
the
opposing
armies
were
the
site
of
the
Christmas
truce
of
1914