King Alfonso wrote to the king of Portugal asking him to stop the slave trade out of Africa because slavery was not compatible with European values.

The young heir to the throne, Alexei, was diagnosed with hemophilia just months after his birth.

Nicholas’s great uncle suffered gruesome wounds from a bomb, creating in Nicholas a lifelong fear of assassination.  

Nicholas’s reaction to his father’s death and his own ascension to the throne was one of despair and a feeling that he was unprepared to rule.

Though she was the Russian tsarina, Empress Alexandra’s grandmother was the British Queen Elizabeth.

Pizarro was aided in his conquest of the Incas by De Soto’s book on his conquest of the Aztecs.

According to Diamond, Europeans were “superior conquerors” because they were the first to acquire guns, germs, and steel.

Specific examples of how geography worked in favor of the Europeans include all of the following except:

According to the video, a slave transported by ship contracted influenza and brought this devastating illness to the New World.

Similar day lengths and climates enable crops and animals to spread easily from east to west but not from north to south.