Which is true about the monroe doctrine? a) it gave europe the message that the western hemisphere was no longer open for colonization. b) it called for an embargo of any european nation competing for colonies in africa and southeast asia. c) it led to a government policy of non-intervention and non-interference in the domestic affairs of latin america. eliminate d) it called for immediate military intervention in any latin american country experiencing unrest or political instability.

 D)It called for immediate military intervention in any Latin American country experiencing unrest or political instability.

Explanation:

The Roosevelt Corollary of 1904 called for immediate military intervention in any Latin American country experiencing unrest or political instability. The Roosevelt Corollary expanded on the Monroe Doctrine of 1823 to say that the United States had the right to exercise military force in Latin American countries in order to keep European countries out.

a.

congress passed laws allowing for free passage between states.