Science, if its not that, its engineering
Answer: Canada follows a parliamentary system while the US follows a presidential one.
Explanation:
I would say C. because a lot of people settled there.
I think it refers to worldwide mutual dependence between nations/countries as we depend on each other for the key things like food etc. on a worldwide level.
I would like to refer you to this website, it has everything you are asking about--
http://thediplomat.com/2015/01/china-the-influence-of-history/
Hope this helps!
