Because through the years there have been Wars and less and less Jews have been converted and those Jews are dying off. So rhe little amount of them are trying to convert people to their religion.
Someone tried to improvize tools
I'm pretty sure it was the Etruscans. Hope this helps, xo
Answer:
Nationalism caused Serbia to want to absorb all Slavs on the Balkan Peninsula. Russia supported this but Austria-Hungary felt that it would stir up rebellion among it's Slavic population.