Period A is known as what?
O prehistory
B
O post history
O history

Period a is known as prehistory.

Explanation:

Scholars define prehistory as events that occurred before the existence of written records in a given culture or society. History refers to the time period after the invention of written records in a given culture or society.

Where is answer for B?

the following men who did not in the unification of italy were.

a) giuseppe mazzini

c) alexander ll

the other two men were camilo cavour and giuseppe garibaldi they the unification of italy by yielding territories in the italian unification. in 1861 italy was declared a united-nation state under the sardinian king victor immanuel ll.

the first one you have to divide thenn add then multiply then add but mabey pemdaz pie equals 3.14 duuuhhh