Which of the follwing claims about yu hsien is supported by this source?

The whigs selected william henry harrison to run against president van buren. in the campaign, the whigs compared harrison to , who grew up on the frontier in a. this became a of the 1840 campaign, even though harrison was a wealthy man. harrison was also a war . the whigs' campaign slogan used harrison's victory at , a battle in the war of 1812, and , his vice presidential running mate. in the campaign, the whigs blamed for the depression that followed the panic of 1837. many voters participated in the election, and became the first whig president. when harrison died, tyler became president. tyler had once been a. he didn't always agree with the of his own party, and the party expelled him

Which source would best a historian understand the effect of the great chicago fire on families? a. a biography of a chicago family displaced by the fire b. a letter from a grandmother in new york to her family in chicago c. a newspaper editorial about families who were displaced d. an oral history dictated by an adolescent who fled the fire

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.