Because it was growing more and more popular and more people were becoming Christians.
Manifest destiny
Was a widely held belief in the United States that its settlers were destined to expand across North America. Championed by president Polk, the USA based the manifest destiny on three themes, such as special virtues,and the essential duty of the American people to redeem the west given by God.
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A reason to leave a place
The diaphragm is the part that adjusts the light of the specimen
