Which explains how mass media has changed the role of the presidency?
• the president uses mass media to speak to people all over the world.
• the president uses mass media to veto bills passed by congress.
• the president uses mass media to communicate with congress.
• the president uses mass media to generate support for executive orders.

answer: answer is (d)

explanation: it makes more sence than all the others and i know more stuff than you

in 1897, pershing became a tactical officer at west point, and that's where he was given the nickname "black jack." pershing's first name is "john," for which "jack" is a nickname, and he was a white man who commanded black troops. hence "black jack".

seeing as no choices were provided, i'll do my best to answer it from knowledge.

job specialization promotes work ethic to the person doing the job. he/she may be strong in the arms and able to lift things, specializing him/her in a job where you lift and carry.

a reason that was key to coolidge's victory in the 1924 presidental election was that; democratic party supporters were split in the north and south.