What potentially could be done with the special effect of the past

And was that the movie effect was so perfect and the begin would be to imagine that the in the 1910’s a person coming inside a abandon house find something that never had seen before a TV, and in the TV see a parent or friend be killed or committing and homicide, and the person would believe in what had see, but wait a minute nobody could fool for that, why the TV? Of course wasn’t persons with plastic and make up to copy other because if was why the TV, and according the France they could use the program to create a copy of someone of the Government to declare war and start a war between the countries but would be need the TV. Rute Bezerra de Menezes Gondim