Life could be different after an ice age because the ice would melt and form large boundaries of water. The land would not be the same at all.
A free enterprise system allows people to open businesses if theywant to. It also allows for businesses to compete with each other.
I think it might be either wind power or hydro electric, but because new zeland has many rivers and reservoirs, i think it might be hydro electric power.
Answer:
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