How did Adolf Hitler become chancellor of Germany in 1933? How did he become the Fuhrer and sole head of government in 1934?

What kind of contact did christopher columbus and native americans initially have?

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 fundamental right is protected in this excerpt ?