When a historical record is not dated, which two methods might historians use to check its authenticity?

a. they try to determine whether it was created for temporary or permanent use.

b. they try to determine the audience for whom the record was meant.

c. they use scientific methods such as radiocarbon dating.

d. they make an assumption.

e. they compare it to other historical sources.

E. They compare it to other historical sources.

Explanation:

In that case historians are usually trying to compare them with other historical sources.

They are usually trying to figure out are there some persons of figures that have been mentioned, which can lead them to conclusion about when something happened, during which period, whose reign, etc.

the answer would be a).

people had jobs and began to work. that’s why the commercial revolution was great.