What took place during the 'reaping and threshing' events of summer?

A The 'Indians' from the mission cut the grain, separated it in sheaths, and placed it behind Grandma's house.

B New crops were planted and ceremonies were held to bless the people and plants.

C The soldiers burned all of the fields around the city so they could construct houses.

D Mass graves were prepared for the large number of people they knew wouldn't last throughout the hot summer.