WITH less than a decade for the world to meet a United Nations target of ending modern slavery, experts say gains in tackling human trafficking risk being undone by the COVID-19 pandemic. About 40 million people globally are estimated to be enslaved - in forced labour and forced marriages - in a trade worth an estimated $150 billion a year to human traffickers, according to the U.N. International Labour Organization (ILO). Ending modern slavery by 2030 was one of the 17 Sustainable Development Goals (SDGs) adopted by the United Nations in 2015. But the fallout from coronavirus - from lockdowns…