Question

review the passage again, paying careful attention to the last paragraph.
now there could be no doubt about what was intended for us. with my very ears i heard president nassers speech on 26 may. he said:
\we intend to open a general assault against israel. this will be total war. our basic aim will be to destroy israel.\
on 2 june, the egyptian commander in sinai, general mortagi, published his order of the day, calling on his troops to wage a war of destruction against israel. here, then, was a systematic, overt, proclaimed design at politicide, the murder of a state.
the policy, the arms, the men had all been brought together, and the state thus threatened with collective assault was itself the last sanctuary of a people which had seen six million of its sons exterminated by a more powerful dictator two decades before.
in the last sentence, eban states that israel is the \sanctuary of a people which had seen six million of its sons exterminated by a more powerful dictator two decades before.\ to which event is he referring?
○ the first arab-israeli war
○ world war i
○ the holocaust
○ the six-day war

Explanation:

The phrase "six million of its sons exterminated by a more powerful dictator two decades before" refers to the systematic genocide of six million Jewish people by Nazi Germany (led by Adolf Hitler) during World War II, an event known as the Holocaust. This matches the key details provided.

Answer:

the Holocaust