Final answer:
The objective of the second phase of colonialism, also known as settler colonialism, was primarily economic. European powers sought to extract resources from colonies, establish cash crop plantations, and expand their territories.
Step-by-step explanation:
The objective during the second phase of colonialism, known as settler colonialism, was primarily economic and aimed at extracting resources from colonies to support the industrial economies of the European powers. European countries sought valuable minerals and fertile land for cash crop plantations in Africa. Indigenous populations were often displaced and forced to work on these plantations, while African farmers were recruited to grow cash crops for export. European powers also aimed to expand their territories and convert native populations to Christianity.