Many combatants in World War I believed the conflict would end quickly and they would be "home by Christmas." What best explains why the war lasted longer than expected? A) the use of trench warfare

B) the use of a blitzkrieg strategy

C) the use of the phalanx formation

D) the use of guerilla tactics by partisans

Which is an example of a country that is overly dependent on another country for goods and sevices

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 side was right? write a paragraph in which you explain which side made a stronger argument and why. remember to use evidence from the lesson and from primary source documents you have read.