Answer:
By 1880, the transcontinental railroad was transporting $50 million worth of freight each year. In addition to transporting western food crops and raw materials to East Coast markets and manufactured goods from East Coast cities to the West Coast, the railroad also facilitated international trade
Answer:
Immigration leads to more innovation, a better educated workforce, greater occupational specialization, better matching of skills with jobs, and higher overall economic productivity. Immigration also has a net positive effect on combined federal, state, and local budgets.
Explanation:
Immigration has various effects on each of these governments. For instance, it increases the local government's spending level as they cater to education and other services for the immigrants.
Upper Mantle layer is what produces magma that causes sea floor spreading and volcanoes. :)
