How did technology develop during the second industrial revolution?

What does the document of the birtish octopus is an uderlying cause of the world war 1

Which is not a characteristic of capitalism? 1. market economy 2. supply and demand 3. freedom of competition 4. classless society

What were three advantages the north had in the civil war? it was fighting most battles on home ground. it had a greater number of soldiers. it had more highly skilled military leaders. it had a stronger navy. it had a better network of railroads. pick three .