What was the "Kingfish"? What was he going to do that was the difference from Roosevelt's "New Deal"?

Baton Rouge, Louisiana, U.S. Huey Pierce Long Jr. (August 30, 1893 – September 10, 1935), byname "The Kingfish", was an American politician who served as the 40th governor of Louisiana from 1928 to 1932 and as a member of the United States Senate from 1932 until his assassination in 1935. Roosevelt incorporated some of Long’s Share Our Wealth initiatives into his New Deal to ensure Long’s efforts did not undo it – and to undercut Long’s popular support as he began to move towards a presidential bid.

explanation: we can only guess at how our actions may be perceived in the future. doing something really big like killing lots of people, saving lots of people, affecting the lives of lots of people is a sure fire way of being remembered in historical records. we can also make a difference in the history records by being a small influence on something bigger, whether that is as a civil servant, scientist or artist.

of course you could argue that we all affect history just as tiny cogs in a   bigger machine.

if you mean how do people influence our opinions of things which have already happened, then simply by writing a book which looks at things form a different perspective and trying to convince people that this perspective is more accurate or truthful. people do it all the time i.e. richard the third was a terrible or was he? plenty would disagree, it's just that their views aren't the most widely known.n:

cruel, heartless

explanation: