Correct answer: World War II Europe.
The references to "fighting the Germans when Poland had first been invaded" identify this narrative as happening during World War II in Europe. Other nations in Europe, notably Britain and France, had followed a policy of appeasement toward Adolph Hitler and Germany's efforts to add territory to its control. They allowed Germany to annex the Sudentland, and then did nothing when Germany took control of all of Czechoslovakia (in March, 1939). But when Germany invaded Poland in September, 1939, it was beyond clear that appeasing Hitler hadn't worked, and war was pursued. Germany's invasion of Poland was the beginning of World War II in Europe.
Amid World War II, about 350,000 ladies served in the U.S. Military, both at home and abroad. They incorporated the Women's Airforce Service Pilots, who on March 10, 2010, were granted the renowned Congressional Gold Medal. In the interim, across the board male enrollment left expanding openings in the modern work constrain. Somewhere in the range of 1940 and 1945, the female level of the U.S. workforce expanded from 27 percent to almost 37 percent, and by 1945 about one out of each four wedded ladies worked outside the home.
One if the most important by-products of the War of 1812 was none of the above