Why were Nerva, Trajan, Hadrian, Antoninus Pius, and Marcus Aurelius called the Five Great Emperors?

They were called the Five Great Emperors because the way they'd rule as rulers demonstrated their own uniqueness in their actions such as, the showing of justice, the belief of peace, and restraint. The way they got noticed for this was because of their first actions, peace and prosperity.

Explanation:

it was displayed because they had a love for war

the emancipation proclamation was the aim of the war change to include the freeing of slaves in addition to preserving the union. the 13th amendment, which abolished slavery in the u.s. was passed on december 6th 1865.

as promised, lincoln waited to unveil the proclamation until he could do so with success from the union military advance. on september 22nd 1862, after a victory at antietam, he publicly announced a preliminary emancipation proclamation, declaring all slaves free in the rebellious states as of january 1st 1863.