How did the Monroe Doctrine affect U. S. foreign policy? A. The country became more interventionist.
OB. The country participated in a series of wars.
C. The country established a policy of isolationism.
D. The country left all international organizations.

A is the answer

Explanation:The point of the doctrine was to separate the influence in which the United States and European powers would have .Europe and United states will have no intervention within the Western  Hemisphere

for your question the answer would have to be france

c

explanation: because you need to reduce the pollution on land,the exhaust fumes will stop,and stop it in water,the oil that is in the oceanharms the fish   sorry if you   have been waiting long