1.lee el siguiente fracmento de un discursi de hitler en nuremberg
2. traza en el margen izquierdo , mediante lineas rectas , ascendentes , medias y descendentes , las inflexiones de la voz de los personajes , que cambian de acuerdo a los signos de interrogacion , exclamacion e interjecciones

the correct answer for this question is:

it is system invented in 1872 that produced the first illusion of movement. basically it was a disk with a series of drawings around the edge, showing the same object in slightly different poses. when it was spun, it created the illusion of movement.

found this online : )