Sagot :
Réponse:
bonjour,
Explications:
the older methods of communication were cave paintings, smoke signals, symbols, carrier pigeons, and telegraph.
~Heyy~
G mis ce que je savait mais si jms tu en as hésite pas en rajouter :
- The writing
- The paper
- Printing
- The optical telegraph
- Morse code
- The electric telegraph
- Smoke panel
- Signal towers
- Messenger/carrier pigeons
- Fire ( Moyen-Age + Préhistoire )