All of the following are examples of economic interest groups except:
a. groups concerned with civil liberties, such as the national rifle association
b. labor unions, such as united auto workers
c. professional and trade associations, such as the american bar association
d. individual corporate pacs, such as at& t’s pac

Groups concerned with civil liberties such as the National rifle Association.

National Rifle Association is America's non-profit organisation. Founded in 1871, this organisation advocates for gun rights. Since this has been formed to advocate against a single issue, this is a type of single issue organisation. Hence this can't be classified as an economic interest group.

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:

sorry i tried to but i didn’t get it