Final answer:
The Foreign Corrupt Practices Act (FCPA) makes it illegal for U.S. companies and citizens to bribe foreign officials to influence a governmental decision.
Step-by-step explanation:
The correct option that makes it illegal for U.S. companies and citizens to bribe foreign officials to influence a governmental decision is the Foreign Corrupt Practices Act (FCPA). The FCPA was enacted in 1977 to address the issue of bribery and corruption in international business transactions. It makes it unlawful for companies and individuals to bribe foreign government officials for the purpose of obtaining or retaining business.