How this works. Each stem is a complete AO1 fact (a named statistic, thinker quote or election outcome). Your job is to write the AO2 development - one or two sentences explaining significance and connecting it to the age-vs-class argument. Click Hint if you need a steer. Saves to this device automatically. Each stem is a complete AO1 fact. Your job is to write the AO2 development - one or two sentences explaining significance and connecting it to the age-vs-class argument. Click Hint if you need a steer. Saves to this device automatically.