What Explains the United States' Position on Reducing Carbon Emissions

Multiple Choice

What explains the United States' position on reducing carbon emissions?

A) The United States has always had an environmentally friendly foreign policy.
B) Citizens in the United States have pushed their government to support environmentally friendly policies.
C) The United States does not feel the terms of current agreements are sufficiently favorable.
D) Firms in the United States have realized they could make more profits by allowing the government to share their technological advances with developed countries.