Why is the polis so important as it develops in ancient Greece? Explain

Government was centred in the town, but citizens of the polis lived throughout its territory. Ideally, the polis was a corporation of citizens who all participated in its government, religious cults, defense, and economic welfare and who obeyed its sacred and customary laws.

Explanation:

four sitting presidents have been assassinated while in office but the first was abraham lincoln,

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.