The correct answer is D.
Although the RMS Lusitania was a British ship, when it was sunk by a German submarine in 1915, 234 American citizens died. Nevertheless, in 1916 the Sussex Pledge took place, being a promise made by Germany in which they claimed to attack with no previous warning any armed ship. However, in March 1916 Germany torpeded a French ship that had no weapons, meaning this, and announcing Germany the resimption of unrestricted submarine warfare. Finally, based on the German decission and having reasons because of the Lusitania deceased people, the US declares war on Germany in April 1917.
Whats the quote? I don't understand
The assasination of the archduke of Austria, nationalism, alliances and militarism
Answer:Facilitated the transmission of disease
Explanation: For example The Mongols were all about expanding. When they were taking over other empires and civilizations they were spreading the fleas that harbored the disease.
