The two purposes that are reflected by the burden-on-commerce doctrine and the non-discrimination principle implied by the commerce class are blocking state protectionism and ensuring free interstate.
Commerce refers to the activity of buying and selling on a large scale and involving transportation from one place to another.
Blocking state protectionism and ensuring free interstate are the two purposes that are reflected by the burden-on-commerce doctrine and nondiscrimination principle implied by the commerce clause.
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