The best answer is, A. The United States' interests in Latin America have often led to intervention.
For decades the United States has pursued a foreign policy agenda of democracy building, this is especially present in developing countries such as those in Latin America, Africa, and the Middle East. When the United States has been unsuccessful in influencing the political structure to its benefit through diplomatic means it often turns to military and revolutionary means. The headlines reinforce this foreign policy agenda which has played out in many Latin American countries.