Which of the following problems was not a challenge faced by cowboys on large cattle drives? A.
braving hot and dry summers
B.
crossing dangerous rivers
C.
tending to cattle infected with Texas fever
D.
traveling alone, without partners or a crew

Why did reagan have the united stars invade grenada

What were the effects of the great reform act of 1832?

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.