Population in Europe during the 19th century
a) remained steady until the 1830s and then began to decrease steadily
b) was notable for rapid overall growth and a far more rapid increase in city populations
c) was dramatically reduced when the Great Famine killed 25% of the Russian, Irish and Prussian populations
d) decreased as peasants, reassured by failing death rates, reduced the rural birth rate by over 60% due to their adoption of birth control
Answer: B.