Which of the following best describes how samuel morse's telegraph revolutionized mass media and communication?

the telegraph was the starting point for the science behind modern communication devices like the telephone and fax machine.
the telegraph was the first device that allowed information to travel over a distance without being physically transported by a person.
the telegraph was the first machine used to broadcast news using sound.
the first message sent on the telegraph was transatlantic, proving that a message could be sent over a long distance without a human being needed to transport it.

the answer is       political office  

hope this .

answer; positivist; postpositivist;

the civil war started because of uncompromising differences between the free and slave states over the power of the national government to prohibit slavery in the territories that had not yet become states. when abraham lincoln won election in 1860 as the first republican president on a platform pledging to keep slavery out of the territories, seven slave states in the deep south seceded and formed a new nation, the confederate states of america. the incoming lincoln administration and most of the northern people refused to recognize the legitimacy of secession. they feared that it would discredit democracy and create a fatal precedent that would eventually fragment the no-longer united states into several small, squabbling countries.

i believe it caused a regional impact in societ