How would you best describe this piano piece?

One immediate outcome of the American Revolution was that

A. all inhabitants were granted the right to vote. B. the new country closed its borders to immigrants. C. the new country became the most democratic government since ancient Athens. D. the new country abolished slavery within its borders.

The second excerpt starts at 0:48. What do you hear as the main difference between the two excerpts?

What will be an ideal response?