Which accurately describes a chart developed 20 years after a historical event?Which accurately describes a letter written during the time a historical event occurred?

this is a very vague question

Explanation:

historians actually date events after about 50 years

i think it was   tsar alexander ii

well it definitly does because if you are seen as weak you will be seen as unimportant and they will walk all over you and the us is the most powerful military and the largest in the world

hope this