Because they were important
The compass was a important invention, made by the Chinese, because it helped travelers find there destination if they were lost and could be very useful in many different problems. They also most likely have a compass on ships.
I think its machine gun ... Ugh yeh think so im only 14..
This invention made life easier for the people. The playing cards were related to Chinese paper money. They were very entertaining as well. Princess Tongchang played "leaf games" with relatives to pass time.
very important!
The most invention most used in the 1920's was the radio because it was invented in 1921 and became very popular but became less popular with the stock marke crashed and Great Depression started
People needed transportation very quickly. Robert Folten was the inventor of the invention.
The wheel invention
The invention of the phonograph was very important to society. The invention itself was very useful during the time of Edison and has impacted many similar inventions that have proved to be useful today.
An invention is important due to its expressive creativity point and unique style of idea. An invention can be very useful once created or formed.
Paper is considered to be a very important invention. This is because paper has helped many people communicate with each other.
The invention of the microscope was important in the study of cells because only the microscope can see very small organisms.
a very important invention being worked on at this time is the sex robot.
This is very much a matter of opinion. Arguably the wheel is the most important
The most important invention of this century will be the discovery of the cure of HIV/AIDS. This disease has no cure and has claimed the lives of very many people.
i wouldn't say its very important for everyday life but for the people who love to travel its very important because you can get a long distance in a short amount of time.
the first steamboat
One of the most important inventions is the penicillin which was discovered in 1928. Another very important invention was the invention of compass, which was discovered by ancient China in the 9th century.