Lowell Mill Girls were female workers in America. They were employed in an innovative labor system in Lowell, Massachusetts.
Explanation:
Lowell Cobbett built Boston manufacturing company inn Massachusetts which employed young girls in the textile mills. These mills converted raw cotton into finished Fabric and it need not require much physical labor. It ensured independence to the women in those days and economic freedom was prevalent when most men were still working in farms to earn their livelihood.
These women stayed near the factories in boarding houses and began publishing their own magazines but the content of which was always overseen by the mill owners and son it ensured only positive views about the working environment. But gradually, the tensions between the workers and the mill owners increased and it led to the migration of women to United States.
This is a hard question that is open to discussion even among historians who specifically study World War 2 as a topic and specialize in it.
The most frequent answers that would probably be given is:
1. Pearl Harbor - with the attack of the Japanese on Pearl Harbor, USA was effectively dragged into the war which may have tipped the odds in favour of the Allies.
2. Stalingrad - the Soviet Union captured a huge German army in Stalingrad. The soldiers from this army were either imprisoned until the rest of the war or died due to hunger. In effect this meant that the German forces lost a whole army on the Eastern front.
3. Normandy landings - the Normandy invasion gave the Allies a foothold on the beaches of Western Europe from where they could invade through the mainland right into Berlin by the end.
That speech was given by Sojourner Truth.
Answer: It is B, they assured Austria-Hungary that they would have their backs in an invasion of Serbia.