How UK supermarket giants M&S and Sainsbury's are adapting and innovating introduction

To explore how the uk supermarket giants M&S and Sainsbury，adapt and innovate their marketing strategy. Paper details Discover how UK supermarket giants M&S and Sainsbury's are adapting and innovating introduction: Discover how UK supermarket giants M&S and Sainsbury's are adapting and innovating their marketing strategies. 1. Evaluate the history of the supermarket's marketing strategy. (Please assess the supermarket's marketing strategy and positioning by comparing whether the two companies are involved with Amazon Fresh - most retailers that have joined Amazon Fresh include Sainsbury's, but not Marks & Spencer) 2. To explore how supermarkets have changed their strategies, refer to product xxx(I would like to refer to vegan food to take advantage of the effects before and after COVID-19) Please note that this is vegan not vegetarian 3. Suggest how Tesco should innovate/change their future marketing strategies according to the social environment changes. By focusing on digital transformation, personalization, sustainability and social responsibility, customer experience and innovation Please cite at least 15-20 references