Shang: Logo Graphs Logo graphs helped the modern day world by creating sounds and words by combining two words to make a new one. This made a new word and we still use this to make new words/languages.
Shang: Bronze The discovery of bronze helped discover new materials and build many weapons for the Shang. Bronze helped them to not be conquered for a long time.
Zhou: Confucianism The Zhou's invention of Confucianism helps the modern day world because this is the way that many countries rule. The United States uses Confucianism and it works very well in our society.
Qin: Great Wall of China The Great Wall of China was a great idea for keeping out the invaders. Emperor Qin forced many to work on it, but we use it today as a tourist attraction. It's amazing how big the wall is and how it's still in China today.
Han: Wheelbarrow The invention of the wheel barrow was obviously a great idea. The people of china didn't have to carry heavy supplies with the wheelbarrow. They could just put their belongings in the wheelbarrow and continue on without much of a struggle. What's even more amazing is how we still use them today and it was all thanks to the Han.
Han: Chain Pump The chain pump helped the world by making a new way to farm and to make sure it wouldn't be destroyed during floods. What's cool about this is that you could control how much water the crops or plants got.
Han: Compass The compass helped the world's sense of direction. Thanks to the Han, we're not constantly lost. Many things have many compasses on them including backpacks, watches, and even more. The compass later on helped invent the GPS.
Ming: Abacus The invention of the abacus helped with bigger math problems. This led up to the invention of the calculator. The Ming made a abacus to help with math and other things.