The answer is A. the outcasts. Matthew was a tax collector and at the time they were known for cheating people out of their money and for favoring the hated Roman government. For these reasons tax collectors were despised by the Jews.
Water vapor is the name of a common greenhouse gas containing only hydrogen and oxygen.
The invasion of Belgium should be the answer
Four empires collapsed: the Russian Empire in 1917, the German and the Austro-Hungarian in 1918