Henry Ford was the first man to create the concept of the assembly line. This was when every employee was responsible for assembling only one part on Ford's cars. The assembly line was able to ramp up production and turned thousands of cars every month which resulted in more profits for Ford.
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Easy
Actually the Greenback Party recommended the paper money. But in the given options the easy money refers to a money that could be easily regulated. Other forms of money such as gold coins cannot be regulated easily. A small amount of loss can result a huge turmoil while in the form of paper money it is just an alternative to the real assets. Paper money can be replaced by other notes if the previous notes are torn and damaged where the actual assets are not disturbed.