What might have been the main failing of the zhou dynasty?

a. a lack of good soil
b. a decentralized government
c. mongol invaders in the north
d. deconstruction of the great wall

Most likely the answer would be B that would be the best choice 

Abolition of slavery

Towns and small farms are usually for land, lakes, rivers, and seas.they also produce other food, like crops.it's also where animals are, where we get our meat.large plantations normally have forests, where crops are grown for sale. (similar to farms)plantations have larger fields of crops.our wine, sugar canes, and fruits come from plantations.