Why how did the monroe doctrine assert american nationalism?

What did president roosevelt do to aid panama in becoming an independent country? a. he negotiated a peace treaty with nicaragua to purchase the land. b. he invaded colombia to establish a us base for defense. c. he placed warships around panama to block sea lanes. d. he used dollar diplomacy to block imports to nicaragua.

One who is sent forth with a specific commission is an: unbeliever example apostle disciple angel

Which south american country had the highest literacy rates