The heart of Dixie or the cotton state or the yellowhammer state, Alabama doen't have a offical nickname
C. Missouri
In fact, the Oregon Trail began in Missouri.
The Monroe Doctrine stated that the United States would not get involved in European conflicts in Latin America. Option C is correct.
The Monroe Doctrine was passed on 2nd December in the year 1823 and stated that the United States would not get involved in European wars or even internal affairs of the European countries.
The Monroe Doctrine constituted a United States policy of opposing European colonialism in the Americas beginning in 1823.