How many crops do you have to harvest to earn mastery on farmville?

The number of crops you need to harvest to gain mastery of them depends entirely on the length of time the crop takes to grow and what level it is unlocked at. If the crop takes longer to grow, fewer of them are needed to be harvested. If the crop unlocks at a lower level, fewer of them are needed to be harvested.

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.