Superpower describes dominant states with global influence through multiple dimensions. Term first applied to British Empire, Soviet Union, and US in 1944. Nicholas Spykman coined current political meaning in 1943 lectures
GDP grew 42% during Roaring Twenties, stock market rose 20.71%. Great Depression began with 11% stock market drop in 1929. Top 1% earned 14.65% of national income during this period. Roosevelt's New Deal implemented to recover from Depression
Modern concrete pillboxes originated in German Army in 1916. Term likely derived from pillar boxes or medical pill boxes. Sir Ernest William Moir designed prefabricated machine-gun pillboxes
World population grew from 2.5 to 3.0 billion with 1 billion births. Television became common in American homes during Golden Age. Credit cards gained widespread popularity, especially Diners Club Card. Polio vaccine discovery led to rapid decline in disease incidence
Term coined by Alfred Sauvy in 1952 to describe non-aligned countries. Initially defined as politically non-aligned nations during Cold War. Initially associated with underdeveloped countries and Western aid
Eastern Europe's eastern boundary is marked by Ural Mountains. Region includes Belarus, Bulgaria, Russia, Ukraine, Moldova, and Romania. Western boundaries vary widely, including Balkans, Baltic states, and Caucasus