Between 329 BC and 327 BC, alexander. established a state called Bactria
I believe that some of the benefits are longer life span, the ability to harvest crops, and the ability to create a thriving community. I think these are good benefits because if you are living in a permanent settlement then you can grow your own crops meaning that you can live off of those crops and you dont have to go foraging for food (sometimes producing nothing). Also a good community is almost essential to living with a group of people beacause it enhances trade and communication with other communities as well. :)
The five-year plans do not certainly justify the tremendous cost borne by the soviet people. This is because the plan only brought glory to Stalin but did not improve the welfare of the people as is reflected in the economic gap between the Soviets and other western democracies