The correct answer would be letter "D". GDP stands for Gross Domestic Product, meaning it accounts for the market value of final good and services produced within the country's borders. With that said, financial aid does not fit into that description and doesn't impact directly in said production of final goods and services, therefore it cannot be accounted for in the GDP of a country.
There was no actual evidence of WMD's being found in Iraq, many thought he was doing it for the oil.
A monarchy is a government that would share the characteristic of being ruled by a single leader.