The US Supreme Court Issued a Landmark Ruling in South Dakota

The U.S. Supreme Court issued a landmark ruling in South Dakota v. Wayfair Inc. allowing states and local governments to force online retailers to collect sales taxes even if they do not have a physical presence in the state. This would affect online sellers such as Virtual Vineyards, which now collects state sales taxes only from customers who reside in California, its home state. This ruling would be an example of which environmental force?

A) social
B) economic
C) technological
D) competitive
E) regulatory