Austria-Hungary's invasion of Serbia led to the start of World War I. The correct option among all the options given in the question is the third option. The assassination of Franz Ferdinand, who was also the Archduke of Austria-Hungary by Gavrilo Princip acted as the catalyst for the starting of the World war I. Gavrilo Princip was a Serbian national.
Answer:
c. oil was discovered.
Explanation:
The discovery of oil at Spindletop was seen as a defining moment in the oil age.
Answer:
Europe is divided into two opposing sides.
Ending slavery means it will stop for sure, mean while ending the slavery trade means you won't be making more trades but slavery still exist.
Hope this helps! :)
Answer:
The Warsaw Pact, so named because the treaty was signed in Warsaw, included the Soviet Union, Albania, Poland, Romania, Hungary, East Germany, Czechoslovakia, and Bulgaria as members.
Explanation:
