Concept:The government supports agriculture through finance, subsidies, and public infrastructure, but it does not supply labour to farms.Explanation:Provision of subsidies is a government role because it reduces farmers' production costs. Building of storage facilities is a government role because it helps reduce post-harvest losses. Provision of loans and credits is a government role because it gives farmers access to capital. Provision of labour is not a government role because labour is normally provided by farmers, their families, and hired workers.Answer:A. provision of labour