President Theodore Roosevelt in Rio de Janeiro, Brazil - with Dr. Lauro Severiano Müller (1863-1926), Foreign Minister of Brazil and military engineer on his right - before the Roosevelt-Rondon Scientific Expedition to the Amazon River which began in 1913.

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Keywords: 20th, amazon, america, brazil, century, engineer, expedition, foreign, janeiro, lauro, military, minister, political, politics, president, rio, river, roosevelt, roosevelt-rondon, scientific, states, theodore, united, üller