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The year 1917 was important for the Wright Brothers because

their first successful flight occurred.
their patent expired.
they began to work for the army.
they began to work for the British Air Force.

User Vakio
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2 Answers

4 votes

Answer:

your answer is B their patent expired :) hope this helps

Step-by-step explanation:

User JustTB
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3 votes

Answer:

The answer is B) their patent expired.

Step-by-step explanation:

User Sean Danzeiser
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