The Austro-Hungarian Empire blamed the entire Serbian country for the death of the Archduke instead of the terrorist group responsible. The Bosnians were close to the Serbs, and both countries took great offense to the blame.
The environmental legislation signed by President Bush in 1990 set stricter standards on pollution from factories. This was done to prevent the negative results of pollution, since everything concerning that was getting worse and worse.
1. The enforcement of the Navigation acts
2. Mercantilism