A show not tell for "he was unhappy"

in explanation

Explanation:

he hung his head and walked as thought about his life, 'I'm a failure', he thought, 'and no one will ever like me' he sat down and cried, while getting soaked in the rain.

Is that good enough?

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).

the answer is c.

i hope this .