How did the industiral revolution begin

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

What from the columbian exchange had perhaps the biggest impact on the world?

His is the name of the group in the house of representatives that, in 1947, began hearings to expose communist infiltration in american life. unfortunately, a good deal of the evidence they used was based on hearsay and conjecture, meaning innocent people were harmed by their findings.