Answer:
Labor unions achieved more freedom than the American Revolution. Labor unions caused more violence than the American Revolution
The Supreme court cannot interfere with a state's right for the abortion.
Answer:
C smaller cultures formed along ethnic and cultural lines because im ww1 Germany lost almost 25,000 miles of land
Well, the most important effect of nationalism in Europe in 1900s was the World Wars. Citizens of many countries were unhappy with the economy and the way things were in their states. This, along to the critical approach towards other nations and the growing national socialism led to the outbreak of military conflicts, pogroms, and eventually the holocaust and facism during the World War II. One important thing is that were talking here about very extreme nationalism.
I would say that the advancements would have to do with their superior technology regarding war, like having advanced chariots or iron weapons.