Good climate and ample food supply
The environment of the west coast was attractive for settlement because it had great weather and plentiful natural resources. The climate of the west coast was mild and it had dependable food that attracted the Native Americans
I wouldn’t know to be honest
The main reason why the interstate commerce commission had difficulty enforcing reforms was because each state had disagreements about the rules and regulations.
The following conclusions that the statement supported is : The accepted interpretations about past events can change greatly over time.
In the past, it may be accepted to explain some unknown occurrence as 'supernatural'. These days, those explanation would not be accepted, since all of the explanation have to be supported by the actual data and evidence