Compare tsarist foreign policy in the period 1801-1854 with the period 1856-1914. How and why did tsarist foreign policy change?

5-7 pages

Please use these sources: 

T. Riha (ed.), Readings in Russian Civilization, vol. II.

Mackenzie and Curran, A History of Russia, the Soviet Union and beyond 6th edition

Bsil Dmytryshyn. Imperial Russia, A Source Book, 1700-1917