Answer
Overproduction and under-consumption factored into causing the Great Depression by causing falling prices on goods.
Explanation
when we talk about over production this means that goods and services are being produced at a very high rate causing the accumulation of unused products and services. it may be caused by improved techniques and growth in technology. A good example is in farming where due to improved techniques, farmers are able produce a lot of harvests. This may may lead to economy of the country collapsing.
under-consumption is a state where the purchase or the consumption of goods and services is lower than the production and supply.Meaning that there is shortage of consumers.
<span>The Four Great Inventions (simplified Chinese: </span>四大发明<span>; traditional Chinese: </span>四大發明<span>) are inventions from ancient China that
are celebrated in Chinese culture for their historical
significance and as symbols of ancient China's advanced science and technology.</span>
The Four Great Inventions are:
<span>·
</span>Compass[
<span>·
</span>Gunpowder
<span>·
</span>Papermaking
<span>·
</span>Printing
<span>So glass lenses for telescope is not part of their invention</span>
