A sickle is a tool to collect grains like wheat from the farms and it looks like a scythe with a smaller handle
It was the Northerns I believe, it pushed he north and south and it began a civil war. Hoped I helped. :)
It was primarily the development of agriculture that led to the development of the first city states, since this allowed for there to be a surplus of food, which allowed people to have labor specialization.
