A coniferous forest contains evergreen trees that bear cones. Elegant pines grow in this biome, along with spruce, fir, and tamarack. In much of the northern forest, the conifers mingle with deciduous trees, particularly aspen, birch, sugar maple, and basswood.
The United States entered the Vietnam war to prevent the spread of communism. China was already a communist country, and the United States believed that China would spread it to other Asian countries if it did not intervene. Continue Reading.
The United States began to give extensive aid to the French in 1950, when, after the outbreak of the Korean War and the end of the Chinese civil war, American leaders believed that Communism was spreading throughout Asia. Thus, U.S. involvement in Vietnam was a direct result of the Cold War.