Moira purchased and drank one glass of lemonade that cost 50 cents. After finishing the first glass, she was still thirsty. So, she purchased a second lemonade. She didn’t mind spending an additional 50 cents because she needed the drink. Which economic concept is at play here? A. human capital B. diversification C. marginal analysis D. production

united states reinforcements contributed greatly to three allied victories in france at: cantigny (first major american battle), argonne (the largest in the united states military history, involving 1.2 million american soldiers), and château-thierry (one of the first actions under general pershing).

it was on the rise and doing very well and would continue to do well until the great depression from 1929-1939

i see, would you mind putting it as one?