sentences:  In particular, the Holy Alliance authorized military incursions to re-establish Bourbon rule over Spain and its colonies, which were establishing their independence.The full document of the Monroe Doctrine, written chiefly by future-President and then-Secretary of State John Quincy Adams, is long and couched in diplomatic language, but its essence is expressed in two key passages.The first is the introductory statement, which asserts that the New World is no longer subject to colonization by the European countries