What effect of the great depression is described in the song, “brother, can you spare a dime? ”
the expanded government regulations used to control banking practices led to abuses in power and a financial collapse.
the stock market crash of 1929 caused extensive losses in financial wealth for individuals in various branches of society.
due to a lesser demand for food, the production of agricultural goods diminished and farmers struggled to keep their farms.
the men who had built and fed the nation and fought in world war i were abandoned and struggling to survive.

The answer is indeed:

The men who had built and fed the nation and fought in World War I were abandoned and struggling to survive.

Explanation:

The song "Brother, Can You Spare a Dime?" shows one of the many terrible effects of the Great Depression. The speaker in the lyrics was one a soldier who fought in World War I. After going through the horrors of war, he wonders why he is left to suffer, waiting in line to get some bread to eat when he was once told he was fighting to build a glorious future. The speaker cannot forget what he's done, how good it felt to be working for his country. Now he feels abandoned by that same country, and he constantly asks throughout the song "don't you remember?"

They used to tell me I was building a dream

And so I followed the mob

When there was earth to plow or guns to bear

I was always there right on the job

They used to tell me I was building a dream

With peace and glory ahead

Why should I be standing in line

Just waiting for bread?

[...]

Once in khaki suits, gee we looked swell

Full of that yankee doodly dum

Half a million boots went sloggin' through hell

And I was the kid with the drum

Say, don't you remember, they called me Al

It was Al all the time

Why don't you remember, I'm your pal

[...]

the answer is c because info security should not use them for code