The increased migration and increased population that the United States saw during (any) era are examples of "<span>c. demographic and environmental changes," since these have to do mainly with population distribution. </span>
I rhink the answers should be a and b
The answer would be they all must answer the questions of what to produce and how to produce it based on the resources they have
Alaska had/has a RIDICULOUS amount of natural resources that were totally untapped, and Hawaii was wanted for military purposes
