Answered

which leadership characteristic became most important after the invention of television?

Verified Answer :

Television
has its influence on the minds and feelings of the people, it helps us to form our
preferences, tastes, mood and behavior. It has also changed the image of modern
leader. The world is changing every day, so one of the main leadership
characteristics after the invention of television is understanding technology.
It means leaders have to know
what
is happening in the
world  as well as understand which social and collaborative
technologies
can improve life and which is important how to use them
effectively. Other characteristics: charisma, ability to convince, high
self-belief and effective use of body language and verbal language. 

For apex it's personal charisma