International Labour Organization's Conventions 138 and 182 are related to

1. The question asks about the subject matter of the International Labour Organization's (ILO) Conventions 138 and 182. 2. ILO Convention 138 concerns the Minimum Age for Admission to Employment and Work (1973), which aims to abolish child labour. 3. ILO Convention 182 concerns the Prohibition and Immediate Action for the Elimination of the Worst Forms of Child Labour (1999). 4. Both conventions are fundamental instruments specifically dealing with the issue of child labour (Option A). 5. The other options relate to different global issues: agricultural practices and climate change (Option B), food prices and food security (Option C), and gender parity (Option D), which are not the primary focus of these specific ILO conventions.