What was the original use of Zyklon B?

How did nationalism motivate italy's unification? the italian people wanted to return to a pre-napoleon ancien régime. the italian people wanted a republic nation free from austrian rule. the italian people wanted to instigate industrialization in italy. the italian people wanted to lead europe into the modern age.

What new concept did the the american revolution introduce into the world

Describe how the ways in which african americans migrated during the great migration were similar to the immigrants who arrived from other countries in the early 1900s.