To end suffering in their life, Nirvana
The answer to this question I think is 3 Laos
<span>In 1917, Germany, determined to win its war of
attrition against the Allies, announced the resumption of unrestricted
warfare in war-zone waters. Three days later, the United States broke diplomatic relations with Germany, and just hours after that the American liner Housatonic was sunk by a German U-boat.</span>
Well that is kind of hard to answer as not every Greek City State voted only like Athens and the Roman Republic only men could vote and it was the period where the Senate was in place.