Which dutch monk criticized catholic church officials for focusing on money and power instead of the spiritual needs of individuals?

According to the map, most mining occurs in the a.northern b.southern c.eastern d.western

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.

Which major change took place in nigeria in 1999?