Why would Samuel Morse’s invention been impossible before 1831?

In japan, the is the head of state and the is the head of government.who ever answer will get

Answer asap ! 6) who was the main character of the odyssey? a. athena b. odysseus c. poseidon 7) what were the main foods of the myceneans? a. olive oil, goat cheese, fish, bread, and wine. b. wheat, barley, and milk. c. oats and chocolate 8) who were the main characters of the iliad? a. odysseus and athena b. athena and poseidon c. king agamemnon and achilles

How did the incas unite the andes mountains?