well the incas didnt have phones so they had a trail of people that pass on a message.
wat king of weapens did incas used
They have surgeries and make shots with cocoa and use plants
they rode on peoples asses
They used sharp rocks and animal bones
horses
The Incas main source of food and clothing was the llama.
The Aztecs, Mayans, Incas, and other ancient native tribes to South America were the first do discover and use cocoa as chocolate.
Before the phone, but after the common use of electricity, the most common method of communication quickly across country was the telegram. Before electricity, smoke signals were used, or sometimes signal flags of some kind.
The Incas were here in the Andes before the Spanish arrived.
Interestingly enough the Incas used the jaws of ants as stitches.
Unable to find a company named InCas. There are many things that the word incas could mean, but there are no computer companies who use the name InCas.
You use sound waves to communicate.