The rise in the western city The westward movement to promote agriculture, industry, transportation, and promote the rapid development of the urbanization process.

西部城市的兴起西进运动促进了农业、工业、交通业的飞速发展，也促进了美国城市化的进程。

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.

由于太平洋构造板块及其他几个板块的向西移动，导致其向亚洲板块之下俯冲，从而会在这一带引发大地震和火山活动。