US troops in Paris, 1917, WWI

The transcript describes the perspectives of the British and French during the war, highlighting the arrival of American troops led by General Pershing. It contrasts life in France with that back home in the US, mentioning cultural references and the anticipation of the war front.

What does the mention of 'Meatless Mondays and Meatless Tuesdays' suggest about life back home during the war?

Who is 'mademoiselle, from Armentieres' and what does her situation symbolize?