Wikipedia’s list of ‘bean to bar’ manufacturers (https://en.wikipedia.org/wiki/List_of_bean-to-bar_chocolate_manufacturers) and introductory pages to the Candy Industry ‘Top 100’ (https://www.candyindustry.com/) provide highly useful information for research bullet one – on the takeovers that have taken place in the global chocolate confectionery market over the last 20 years.
https://www.apt-initiatives.com/Edexcel_Paper_3_Context_2018