HELP! How did the multiplex telegraph change communication in the 1800s?

It helped trains run on schedule and avoid collisions.
It made it possible to use Morse code with telegraphs.
It helped telegraphs transmit messages at a faster rate.
It allowed people to communicate using speech alone.

Ateam of men and women of different ethnic backgrounds, age, and physical capabilities work for a tv show which involves decorating gardens in a very short time frame. the team worked in co-ordination to come up with new decorative ideas for each episode. this is an example ofa team of men and women of different ethnic backgrounds, age, and physical capabilities work for a tv show which involves decorating gardens in a very short time frame. the team worked in co-ordination to come up with new decorative ideas for each episode. this is an example of

What is federalism? what is federalism

Public opinion is of most value when the people who hold an opinion that opinion.