| A | B |
|---|
| Jethro Tull | invented the seed drill which planted seeds in rows |
| Abraham Darby | used coal to smelt iron |
| James Hargreaves | invented the spinning jenny which spun many threads at the same time |
| Richard Arkwright | invented the waterframe which used water power to speed up spinning |
| George Stephenson | developed steam powered locomotives to pull carriages along the iron rails |
| Thomas Malthus | wrote books on population; said as long as the population kept increasing, the poor would suffer |
| Utopians | early socialists who tried to create self-sufficient, ideal communities |
| Karl Marx | wrote the Communist Manifesto; argued that all of history has been a struggle between the "haves" and the "have-nots" |
| James Watt | improved the steam engine |
