sources
history.com/topics/Monroe-doctrine
historynet.com/Monroe-doctrine
American-hisorama.org/1801-1828-evolution/Monroe-doctrine-1823
U-S-history.om/pages/h253.html
history.com/topics/Monroe-doctrine
historynet.com/Monroe-doctrine
American-hisorama.org/1801-1828-evolution/Monroe-doctrine-1823
U-S-history.om/pages/h253.html