求翻译：其次，西进运动还带来的农业工具的进步。欧洲移民中有许多事有经验有技术的工人农民，他们为美国农业的发展提供了新的生产方式。收割机，脱谷机等一些列发明涌现。最后，西进运动是农业劳动对象发生变化。耕地面积扩大，农业种类丰富，农业专业化、区域化不断完善。小农经营分化向资本主义农业方向发展。是什么意思？

Secondly, the progress of the westward movement of agricultural tools. European immigrants, there are many things an experienced and skilled workers and peasants, they provide a new mode of production for the development of U.S. agriculture. Harvesters, threshing machines and other series of the inv

Secondly, the campaign also brought the progress of agricultural tools. The European immigrants, there are many things that an experienced technical workers, peasants, and they are US agricultural development has provided a new production. harvester, and cereal invented some of the columns such as e

Next, the west bound movement also brings agricultural tool progress.In the European immigrants has many matters to have the experience to have the technical worker farmer, they have provided the new production method for the American agriculture development.Harvester, threshing machine and so on so

Second, westward expansion also brought agricultural tools of progress. European immigrants with much experience in skilled workers and peasants, who United States agriculture's development of a new mode of production. Harvester, threshing machines and other inventions. Finally, changes in the westw