Answer:
More than any other field of activity, tourism depends on environment. Consequently, the environmental issues, among which destruction of biodiversity, pollution, global warming, waste increase, natural resources depletion, affect tourism as much as other global issues, like the economic crisis or the terrorism.
Explanation:
I would say roman numerals because they look more sophisticated, but I don't think it should matter.
The Veterans wanted their cash bonus for their service in World War 1. That's why it is called the bonus army.