What threat would prevent another attempt to take over her ship?

I would have put this to a jury, but your threats prevent that.

Only the threat of a storm prevented them doubling back and returning to camp.

Caddedu tried to call 911 but Creighton's threats prevented him from doing so.

In the late 19th century, the Indian threat prevented the development of the city to the north beyond the San Pedro area.

This inherent environmental threat also prevented immigration from other regions.

Their threats have to this day prevented the French government, for example, from introducing pension funds.

In many cases the threat of suspension prevents the run, which means the threat need not be carried out.

Having that other deep threat prevents teams from doubling Irvin so persistently.

Others still believe that the threat to use nuclear weapons prevents conventional war.