Why do you think it is important for the younger generations to continue to learn and understand the attacks on September 11th, 2001

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.

What were the advantages and dis- advantages of how britain and france ruled in africa?

Which asian nation's constitution has over 40 articles devoted to protecting the rights and civil liberties of its citizens? a) china b) india c) japan d) korea