With no explanation, label each line with "location-GPE", "O", "other-law", "event-attack/battle/war/militaryconflict", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
Following
the
Civil
War
,
immigration
renewed
with
passage
of
the
Homestead
Act
and
the
final
removal
of
the
Osage
Indians
to
Oklahoma
,
a
result
of
the
Drum
Creek
Treaty
.
Following:O
the:O
Civil:event-attack/battle/war/militaryconflict
War:event-attack/battle/war/militaryconflict
,:O
immigration:O
renewed:O
with:O
passage:O
of:O
the:O
Homestead:other-law
Act:other-law
and:O
the:O
final:O
removal:O
of:O
the:O
Osage:O
Indians:O
to:O
Oklahoma:location-GPE
,:O
a:O
result:O
of:O
the:O
Drum:other-law
Creek:other-law
Treaty:other-law
.:O