Highlighted the reasons for the start of the Livonian War and the successes of the Russian troops.

The main reasons for the outcome of this conflict were: the desire of the Russian state to get access to the Baltic Sea; non-payment of tribute by the Livonian Order for the city of Yuryev. The reasons for the success of the Russian state at the beginning of the war was the military advantage, which came to naught at the end of the war. This state of affairs was associated with an internal political crisis and the oprichnina.