The answer to your question is number 4
The peloponn war lasted 27 years
Prior to the Civil war, the West attracted many immigrants because land was cheap and it was seen as the land of opportunity. The correct option among all the options that are given in the question is the first option. There were many forested lands and those when cleared can proved good for cultivation.
A policy stating that voters in a territory not Congress should decide whether not to allow slavery there
i believe it is terrorism but im not completely sure