求翻译：西进运动（Westward Movement）是指美国东部居民向西部地区迁移和进行开发的群众性运动，始于18世纪末，终于19世纪末20世纪初。运动大大促进了美国经济的发展，但是，随着西进运动的进行，大批印第安人遭到屠杀，幸存者被强行赶到更为荒凉的“保留地”，他们的被迫迁徙之路也被称为印第安人的“眼泪之路”。是什么意思？

The Westward Movement (westward movement) refers to residents of the eastern United States migrate to the western region and the development of a mass movement began in the late 18th century, and finally the late 19th century early 20th century. Movement greatly facilitate the development of the U.S

The movement (Westward Movement) refers to the United States eastern residents migrated to the western region and on the development of the mass movement, which began in 19, and finally at the end of the 18th century at the turn of the 20th century. Movement have greatly contributed to the developme

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Westward movement (Westward Movement) is a United States resident to the migration and development of the Western region in Eastern mass movement, began in the late 18th century, and finally late 19th century and early 20th century. Campaigns have significantly contributed to United States economic

The west bound movement (Westward Movement) is refers to east US the inhabitant to migrate and to carry on the development to the western area the mass movement, begins in 18 century's ends, finally 19 century's end at the beginning of 20th century.The movement promoted the American economy developm