Jeff can think in images and symbols, has acquired basic language skills, and has an "intuitive" intelligence. He has yet to appreciate that certain aspects of objects remain unchanged despite changes in their appearance. Piaget would contend that Jeff is at the stage of development.

The industrial revolution began in great britain for a number of reasons. two advantages great britain had which were necessary for industrialization were a. raw materials and a large workforce. b. unstable politics and a small landmass. c. abundant land and a small population. d. private wealth and a strong military.