World-systems theory<span> (also known as </span>world-systems analysis<span> or </span>the world-systems perspective), <span>is a multidisciplinary, macro-scale approach to </span>world history<span> and </span>social change<span> which emphasizes the </span>world-system<span> (and not </span>nation states<span>) as the primary (but not exclusive) unit of </span>social analysis<span>.</span>
A dialysis machine<span> replaces your kidneys when you can longer properly use them.
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Humanism helped Europeans believe in their own potential.
The reason people immigrate from one country to another is because they might have natural disasters or land and a occupation is hard to find there. So people might just be migrating to find happiness or a better life than what they had.
When the founding father of the Republic of China died, some mourned him, while others condemned him. The South China Morning Post weighed the arguments and delivered its own judgment