Rupert Atkinson wrote:
It is not necessary to know how to row a boat to fight with an oar, or cut grass with a sickle, but it could help
And imagine hundreds of years when fighting erupted in the countryside - people would take up tools (weapons) they were 'familiar' with.
Actually I would totally agree with what you say here above. I'm just focusing in more on the words, "not necessary" and "could help."