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Westward Expansion + Civil War
Missouri, Texas, + Mexico
Manifest Destiny
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Polk, committed to Manifest Destiny and westward expansion, wished to annex California and New
Mexico
- provinces
Mexico
exerted little control over
American
started to
settle
in
both
areas and
little Mexican population
Many
Americans
supported
westward
expansion
In
1845
,
Democrat journalist John O'Sullivan
declared it was USA's
manifest destiny
to
control
the
North American
continent
Advocates
of manifest destiny invoked
God
and
glory
of
democratic
institutions
Yet many
North Whigs
saw it as a
smokescreen
aimed at
concealing
the
evil intent
of
expanding
slavery