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Monroe Doctrine

(Encyclopedia)Monroe Doctrine, principle of American foreign policy enunciated in President James Monroe's message to Congress, Dec. 2, 1823. It initially called for an end to European intervention in the Americas,...

Vietnam War

(Encyclopedia)Vietnam War, conflict in Southeast Asia, primarily fought in South Vietnam between government forces aided by the United States and guerrilla forces aided by North Vietnam. The war began soon after th...

Ulloa, Antonio de

(Encyclopedia)Ulloa, Antonio de äntôˈnyō ᵺā o͞olyōˈä [key], 1716–95, Spanish scientist and naval officer. As a young man he went to Peru with a scientific expedition, remaining in the country from 1736...

Odawa

(Encyclopedia)Odawa: see Ottawa, indigenous people of North America. ...

Reyes, Alfonso

(Encyclopedia)Reyes, Alfonso älfônˈsō rāˈyĕs [key], 1889–1959, Mexican writer, diplomat, and educator. Reyes is generally recognized as one of the greatest Spanish-American writers of his time. After spend...

Evangelical and Reformed Church

(Encyclopedia)Evangelical and Reformed Church, Protestant denomination formed by the merger (1934) of the Reformed Church in the United States and the Evangelical Synod of North America. Both of these bodies had or...

finch

(Encyclopedia)finch, common name for members of the Fringillidae, the largest family of birds (including over half the known species), found in most parts of the world except Australia. The true finches are charact...

Triassic period

(Encyclopedia)Triassic period trīăsˈĭk [key], first period of the Mesozoic era of geologic time (see Geologic Timescale, tablegeologic timescale, table) from 205 to 250 million years ago. Throughout the Triassi...

Carboniferous period

(Encyclopedia)Carboniferous period kärbənĭfˈərəs [key], fifth period of the Paleozoic era of geologic time (see Geologic Timescale, tablegeologic timescale, table), from 350 to 290 million years ago. The pl...

Xingu

(Encyclopedia)Xingu zĭng-go͞oˈ, Port. shēng-go͞oˈ [key], river, 1,230 mi (1,979 km) long, rising in central Mato Grosso state, Brazil, and winding north across Pará state into the Amazon River at the head of...