With the concept of zero, we could express math (and by extension, everything) with just one concept: of there being something. This was contrasted with there not being something.
This presence/absence of something is very easily implementable in mechanical terms, which contributed to the development of hardware. So: the concept of 0 made our calculations easily physically implementable.
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A legislature is an assembly with the authority to make laws for a political entity such as a country or city.
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Government can play a role in reducing negative externalities by taxing goods when their production generates spillover costs. This taxation effectively increases the cost of producing such goods. ... The use of such a tax is called internalizing the externality.
In Oliver Twist, Dickens did not try to sugar coat the criminal world. He described this world frankly.
This was clear in his <span>"to show [criminals] as they really are forever skulking uneasily through the dirtiest paths of life...would be a service to society."
Dickens believed that by showing the real picture of the criminal world as it is (realism), the society would be inspired and motivated to find effective solutions to solve this problem.</span>
