Some would argue that man is not so special; but it's important to realise that as human beings we have a tendency to improve on and dominate a lot of nature and other creatures. This question is (if answered according to the question) is very philosophical and there is no definite way of answering it.
Man also shares a world with humanity and a world according to the other creatures who inhabit the planet. Some people believe humans to be different from animals and others would say that a human is nothing but a more conscious animal. So the 'worlds' are not necessarily a physical thing, but they do allow us to compare life as an animal and life according to how the majority of humans live it.
The word most commonly used to <span>describe crowded, poorly constructed or poorly maintained urban apartment buildings would be "slums," since people are often forced to live in such conditions because they lack the means to move elsewhere. </span>
Absolutely true! With the invention of steam power, a new source of energy was formed, and in return paved the way for more machinery to be built using this power.
This depends somewhat on what you classify as "west," but generally speaking, yes, this is true, since it was in Ancient Athens that the first democracy was formed.