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.
From 1950, the U.S started to support South Korea in the war against the Communist North backed by China and USSR as well as send military aid to France in its war effort in French Indochina with the goal of containing communism spread.