Answer:
D) Exchange Rates: US$ and 41 Currencies
Explanation:
This is because his research is based on historical facts .
By using all the other currencies rich is able to identifie the strennth of the currencies against each other.
The other reason is that the USD is the unit of measure on other currencies hence comparering it against other currencies then that of the pound makes it easier to identify how this currencies compare.
During the nineteenth century, Factory workers had it quite hard. The conditions were unbearable and are very dangerous. With dangerous vapor zooming around filling their lungs with dangerous chemicals. The eqiupment was most of the time dangerous and broken, which usally led to deaths.
Henry Ford invented mass production, also known as the assembly line. He wanted to build a car for the rich. So he produced a car that everyday people, like workers in his factories could afford. He <span>figured that if he paid his factory workers a better wage, more of his workers would be able to afford the cars that they helped construct. Henry Ford would make a profit by selling more cars.</span>
