HELP QUICK
explain what nationalism, alliances, imperialism, and military build-ups are?

Alliances- Countries felt loyal to one another so if one was in trouble then the others would come and help out.

Nationalism- To prove that their country is the best.

Imperialism- many European countries sought more expansion

Military- Strong military force.

WWl could have been prevented since the German support from Austria-Hungary.  The "triple alliance" of Germany, the Austro-Hungarian Empire, and Italy was predicated on mutual defense, not on mutual aggression - this is what allowed Italy to abstain from the early phases of the war and eventually to join the Entente Powers.

Explanation:

overview. prohibition was a nationwide ban on the sale and import of alcoholic beverages that lasted from 1920 to 1933. prohibition led directly to the rise of organized crime. the twenty-first amendment, ratified in december 1933, repealed prohibition.