reefers
the Chinese invention that allowed soldiers to fight on horseback was The saddle and stirrups.
The invention of writing allowed people to communicate more broadly than had previously been done.
The invention of agriculture around 11,000 years ago is believed to have led to a boom in the human population. This transition from a nomadic hunter-gatherer lifestyle to settled farming communities allowed for a more reliable and abundant food supply, which in turn supported increased population growth.
steel
Accurate timepieces.
Steam
Elevators allowed architects to build practical buildings that have many more floors for both businesses and residential applications. Higher vertical densities allowed for greater population densities of big cities.
The telephone is a great invention in the history of communciation. The invention of radio allowed information to be rapidly sent between continents.
Elevators allowed architects to build practical buildings that have many more floors for both businesses and residential applications. Higher vertical densities allowed for greater population densities of big cities.
Barbed wire
The invention of the Personal Computer spread in the 1990s and allowed people easier access to news and information.
The invention of the aeroplane has allowed humans to obtain a higher level of understanding of our world.