The main goal was to secure commercial and trade links with African societies and protect those links from from other European competitors. And to facilitate the acquisition of as much foreign territory as possible, both as a source of raw materials and in order to provide real or potential markets for British manufactures.
try and search it up like copy the question and google has some article or answers i don't really understand that work because i haven't done that but search it up it will prob tell you the answer.