It is the study of past events
Matthew Kelly - historian - was born in 1814.
A perspective influences a historian's point of view by guiding his way of reasoning.
There are two characteristics that apply to every type of solid. It must have some structural rigidity, as well as a resistance towards changes of shape and volume
John Davies - historian - was born in 1938.
Tony Ballantyne - historian - was born in 1972.
There are many college classes that are needed to become a historian. Many history classes are needed for example.
You don't need any characteristics. All that is needed you fill out the right forms, pay the fees, take the classes needed for citizenship.
Braveryhonestywisdom
If he was a military historian. Other historians look at social and developments and regressions.
No, essential means only the ones most needed, so essential characteristics would be a subset of all characteristics.
it is a historian.
Patience and know things about electricity
None in particular.
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water is needed to survive
Nothing in written is needed for telephonic communication
nice and able to work together