It Is Valentine's Day in the United States, and You

It is Valentine's Day in the United States, and you give your lover one dozen roses that were freshly picked 72 hours ago from the fields of Kenya. What made this gift possible?

A) the United Nations Director of Horticultural Operations, who oversees the planting and transportation of flowers around the world
B) the Jennifer Flowers Act that helps coordinate the logistics of agricultural trade flows between the United States and Kenya
C) economic markets
D) All of the answers are correct.