The inca's fitted giant stone together without the use of a mortar
Answer:
the Jewish were the people forced to live in ghettos
Answer:
A straight blade (protected by guards) was linked to a drive wheel; as the drive wheel turned, the blade moved back and forth in a sawing motion, cutting through the stalks of grain, which were held straight by rods; the cut grain stalks then fell onto a platform and were collected with a rake by a worker.