Which leader demonstrated political and civic participation during the colonial era? George Washington
Franklin Roosevelt
Dwight Eisenhower
James Polk

What do you think should be the most important factor in president considered when picking a supreme court justice

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.

In 1819, what did the united states obtain from spain for $5 million?