D. Nobody knows exactly but it’s around a century
Brief Definition:
A brief, short definition of Nationalism is A belief that your country is better than others.
Full Definition:
A full definition would be an idea and movement that promotes the interests of a particular nation, especially with the aim of gaining and maintaining the nation's sovereignty over its homeland.
District of Columbia v. Helle
A. Not true. Rural areas are usually poorer than major cities.
B . Not true, they're both some of the top cities in terms of economic development.
C. True.
D. Not exactly true. China has indeed banned low grade coal, but not all coal.
