Choose the option that both grammar and vocabulary are...

Choose the option that both grammar and vocabulary are correct:

I. The world’s agriculture sector is increasingly vulnerable to climate change.

II. The evidence on the impacts of climate change on food security is growing.

III. Against this background, a new initiative was launched on 12 November

IV. Addressing climate change and agriculture is a major priority for developing countries, where livelihoods are at particular risk from climate impacts.