Why Do European Countries Have Less of a Problem with Regulating

Why do European countries have less of a problem with regulating chemical toxicity than the United States?

A) European countries can afford more chemical products to increase their life span and comfort.
B) The United States is more technologically advanced,with more new chemicals to help with health care.
C) The United States has more resources to purchase new chemical interventions for clinical problems.
D) European countries require product manufacturers to prove that their products are safe.