Answer:
a) the effectiveness of mass production.
Explanation:
Henry Ford was the first car producer (Ford Industries) to use the assembly line, which allowed certain groups of workers to work on specific parts of the car, while simultaneously transferring the component throughout the groups to create a full car at the end. This allowed Ford to create large amounts of cars in short amount of time, decreasing not only cost of production, but also the cost to buy the car, further making the car more popular with the people. This cycle allowed for cheap cars, which in turn made Ford rich.
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Answer:
When the issue of whether the federally-chartered bank could be taxed by the state, the U.S. Supreme Court voted unanimously that Congress had the power to establish the bank, and that Maryland did not have the power to tax it. ... This is one of many examples of the Elastic Clause working in Congress' favor.
Provided railroad companies land free of charge.
In order to help expand railroads throughout the country after the civil war, congress made railroads expand significantly; bringing even remote parts of the country into a national market economy.
They're just going to take a "shower"