1、American transportation revolution in the 19th century speeded the process of westward movement.
2、Xibe nationality's westward movement has rewritten and created Xibe group's history and has exercised a tremendous influence on Xibe's culture.
3、In mid-18th century pioneers began to move across the Appalachian Mountains1, and by 1790 the trickle of westward movement had become a stream.
4、The rise in the western city The westward movement to promote agriculture, industry, transportation, and promote the rapid development of the urbanization process.
5、The major earthquakes and active volcanoes occurring there are caused by the westward movement of the Pacific tectonic plate and other plates leading to subduction under Asia.
