Why did imperialists seek possession of colonies that had extractive economies?

The code talkers work contributed mostly to

The rise of advertising in the 1920s. i am good with seeing how advertisements shape the roaring twenties and how it developed a new way of life through modern days. but i am not sure what the details of advertising in the 1920s were. if possible can you send me links (preferrably credential links) to sources that maybe show like the first company to start advertising through the radio, how advertising benefits (statistics graphs), etc.

How did communism during the age of totalitarian control affect religion? a. citizens were permitted free practice of any religion. v. atheism became the official state policy. c. the government increased the number of russian orthodox churches in the country. d. catholicism became the official national religion