Which two things made mr. Poling's letter different from the other letters the owner of the house received

When constance visited lookout mountain, what region was she seeing?

Imagine you are driving down the highway and reading a sign that states save the planet don't litter which technique of policy enactment is being used

Why are the majority of the world's economies mixed? what may happen to the "pure" types of economies (traditional, socialist/command, market capitalist) when they incorporate elements from other economic models?