Romantic because they are in love even though they are madly in love and are from rival families <span />
Period goes inside the quotations and what is the question
Factors exogenous to a country's current level of income are identified as being responsible for some 84% of the increase in life expectancy during the period. ... But neither country's mortality has been directly affected by its own income; the effect shows up as a shift in the curve.
B. Putting ideas and concepts together to form a conclusion.