Answer:
The Great Migration was the movement of some six million African Americans from rural areas of the Southern states of the United States to urban areas in the Northern states between 1916 and 1970.
Explanation:
<span>The Internet has had a very negative effect on newspaper journalists and postal workers. To start with, many people have switched from sending and receiving letters to using email instead, which cuts the amount of post being sent. Also, many people now get their news from social media or online news sites, meaning they do not buy newspapers. These two factors have led to a decrease in profit for the two industries and has meant that some print newspapers cannot survive, meaning journalists working for those papers have lost their jobs.</span><span />
"<span>An override needs a three-fourths vote" would be the best option from the list as long as your'e referring to an override of a presidential "veto," since this indeed requires such a fraction. </span>