Question

How did the immigrants who came to the United States between 1820 and 1860 change the character of the country?
Ms. Sue
They brought new languages, foods, religion, and other customs.

Anonymous
My teacher gave me a 0.5/5 for this answer
A
I got a three out of five. She said I had to elaborate.
A person
How do I turn that response into a full detailed essay?