In a blog post published on the USAID internet site on July 30, 2015 USAID announced that it “is pioneering a global supply chain approach to better identify and counter human trafficking in sectors rife with these forms of exploitation and abuse. We call this initiative “Supply Unchained” and recently put out a call for ideas via the Global Development Lab’s new Development Innovation Accelerator.”
You may read the blog post on the USAID internet site.