Look at the map and answer the following question,
based on the map of the korean war, which of the following statements is correct?
a. the city of pusan was under north korean and south korean control at different points in the w
b. the city of pusan was under north korean control for only a brief period in 1951.
c. north korean lost control of the city of pusan very early on in the war and never regained it.
d. the city of pusan was never under north korean control at any point in the war.

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:

c. businesses/firms & government