| A | B |
|---|
| Canal Lock | Solved the problem of dragging ships up a steep slope |
| Inoculation | help to stimulate a person's immune system |
| Mechanical Clock | Kept an accurate time -- 24 hour |
| Compass | improved navigation for long sea voyage |
| Rocket | led to space exploration |
| Gunpowder | changed the way we fight wars from swords to guns |
| Porcelain | admired for its beauty and considered valuable |
| Tea | popular beverage found throughout the world |
| Paper Money | Stimulated the economy by improving the way we buy and sell things |
| Moveable Type | Made printed material cheaper, faster, and produced more of it |
| Zheng He | Famous Chinese explorer |
| More food leads to... | population increase |
| Urban areas grow... | share new ideas |
| Trade increases... | new canals are made |
| China stopped exploring... | became isolationists (stop competing) |
