Step 1 : Introduction to the question "3. In 1725 Bering was selected to lead an expedition to the North Pacific. Who was the recently proclaimed 'Emperor of All Russia' who commissioned Bering for this undertaking?"
...1. Peter the Great 2. Catherine I 3. Ivan V 4. Peter II Tsar Peter I (Pyotr Alexeyevich Romanov) ruled the Tsardom of Russia (later the Empire of Russia) from 1682 (jointly with Ivan V until 1696) until his death in 1725, coincidentally the same year that Bering was commissioned for what would be his first expedition to the North Pacific. He didn't actually depart until three years later, in 1728.