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 entered the war because of the Germans' decision to resume the policy of unrestricted submarine warfare, and the so-called Zimmerman telegram, intercepted by the British, in which Germany floated the idea of an alliance with Mexico.he United States entered World War I because of a boat and a note. The boat was the Lusitania, which was sunk by German U-boats. This angered the Americans, but that was not what led them into the war.