NAFTA came into force from January, 1994 embracing

USA, Canada, Cuba, Trinidad and Tobago
USA, Canada, Mexico
Cuba, Mexico, USA, Havana
Trinidad, The USA, Mexico

The correct answer is: B. USA, Canada, Mexico

NAFTA, or the North American Free Trade Agreement, is a trade agreement between the United States, Canada, and Mexico. It came into force on January 1, 1994. The agreement eliminates tariffs and other trade barriers between the three countries, and promotes trade and investment.

Option A is incorrect because it includes Cuba, which is not a member of NAFTA. Option C is incorrect because it includes Cuba and Havana, which are both in Cuba. Option D is incorrect because it includes Trinidad and Tobago, which is not a member of NAFTA.