Taxonomy The Taxonomy Database is a curated classification and nomenclature for all of the organisms in the public sequence databases. This currently represents about 10% of the described species of life on the planet.
Why the US became increasingly involved in the war in Vietnam. Extracts from this document... Introduction. Why the US became increasingly involved in the war in Vietnam America became increasingly involved in the war in Vietnam, mainly because of the domino theory, the fear of the spread of communism.
The Vietnam War was the prolonged struggle between nationalist forces attempting to unify the country of Vietnam under a communist government and the United States (with the aid of the South Vietnamese) attempting to prevent the spread of communism.