Fill in the Blanks G.C. Vocabulary 1 (book 1)Online version complete the sentence with the correct vocabulary word by Andrea Aguilar Olmedo 1 nomadic Revolution irrigation Neolithic sickle plow flint domestication A long time ago , during the , people from the cultures became sedentary when they started farming and raising animals . They started using the to prepare the field , and the to cut the crops . They water the plants with the help of systems . People began practicing the of animals to get help from them . Before this , people had to hunt making tools and weapons from and stone .