Answer :
The Wright brothers decided to stop flying publicly in b) 1905. They did so because of concerns about patent approval and the risk of their design being copied or stolen.
Final answer:
The Wright brothers stopped flying publicly in 1906 due to lack of patent approval and fear of design theft.
Explanation:
The Wright brothers decided to stop flying publicly in 1906 due to the lack of patent approval and their fear that their design could be stolen. They had applied for a patent for their flying machine in 1903, but it took several years for the approval process. In 1906, they focused on refining their design and conducting private flights to avoid potential infringement on their patent.
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