The second option is the correct option.
When using the word “I” in situations like this, it must be capitalized.
Answer - B) The Great Depression
During The Great Depression no one had any money and everyone was out of their jobs. It was extremely hard times, so this song "Brother, Can You Spare a Dime?" was saying "I need money. Could you spare even a dime."
Best of luck,

To find water, I just finished that in my social studies
Their
I think that's what you're asking for?