1. What was the inciting event of World War I?A. the sinking of the RMS Lusitania
B. the invasion of Poland by Germany
C. the publication of the Zimmermann Telegram
D. the assassination of Archduke Franz Ferdinand

2. Study the chart below and answer the question.

How did the formation of these alliances contribute to the start of World War I?
A. by threatening countries in the Western Hemisphere
B. by increasing tensions between European countries
C. by enabling the spread of communist ideas in Europe
D. by contributing to the spread of revolutionary ideas