I read a short story (I think) but it might have been a novel, where most races discover a super easy way to travel faster than light at certain point in their technological development. 

What I remember:

 - The guys in wooden ships bounced around subjugating the people without FTL travel.
 - The Earth had never figured out the FTL, and so had pored it's effort in a different path, achieving present day technology.
 - The aliens were freaking out about handing the humans FTL travel
 - The story was told from the point of view of the aliens
 - I read it in the last 10 years, but there is no telling how old it actually was, although I do remember them mentioning F-18s or F-14s

So, any bells rung?