Why was spain in constant warfare with their european neighbors

Who was marshall mcluhan and what did he have to do with communication theory?

What role and side did italy fight on during world war 1? why did they change sides? write this in your own words.

Which effect did the united states supreme court's decision in plessy v. ferguson have? 1. ending segregation in all public schools in america 2. protecting voting rights for african americans by eliminating literacy tests 3. upholding the rights of all citizens to be treated equally by the government 4. authorizing the system that kept black and white people separated