Conversation so far:
how did Woodes Rogers prepare?
Rogers was approached by William Dampier, a navigator and friend of Rogers' father, who proposed a privateering expedition against the Spanish.
why did he approach rogers?
This was a desperate move on the part of Captain Dampier to save his career.
what had happened to Dampier's career?
Dampier had recently returned from leading a two-ship privateering expedition into the Pacific, which culminated in a series of mutinies before both ships finally sank due to Dampier's error.
what error had he made?
not having the hulls properly protected against worms before leaving port.
and did rogers agree to his proposal?
Unaware of this, Rogers agreed.

Question: what did he do after agreeing?
Self-contained rewrite: what did Rogers do after agreeing to Dampier's proposal?