Why was the invention of photography important during the civil war, and for historians today?

It allowed families to have a keepsake representation of their fathers or sons as they were away from home. Photography also enhanced the image of political figures like President Lincoln, who famously joked that he wouldn't have been re-elected without the portrait of him taken by photographer Matthew Brady.

Explanation:

imperial crisis leads to civil war.

roman forces withdraw from britain as goths attack rome.

odoacer topples romulus augustus

huns attack the empire and drive german peoples ahead of them.

answer; collective security;