2) One reason why the Constitution has remained a living, flexible document
for more than 200 years is the
A) lack of a formal amendment process.
B) Framers' precise language.
C) Informal process of change through
custom and interpretation.
D) States refusal to obey its entire principal

c

explanation:

the monroe doctrine is the best known u.s. policy toward the western hemisphere. buried in a routine annual message delivered to congress by president james monroe in december 1823, the doctrine warns european nations that the united states would not tolerate further colonization or puppet monarchs.