Which of the following describes how Brazil won independence? a.
Through a long and bloody revolutionary war.
c.
The Portuguese ruler of Brazil proclaimed himself emperor of an independent nation.
b.
Through political means, diplomatic talks and negotiations.
d.
With a short and decisive revolt, lasting only a few days.

Please select the best answer from the choices provided

A
B
C
D
NEED HELP

I think it’s going to be B

Ifound the exercise on the internet. attached is the list mentioned above.in order for a compound to be considered optically active it can't have any axis or plan of symmetry. the molecule  shouldn't also  be superimposable on its mirror image.with such considerations, the compounds that are optically active are: -third compound on the first image is optically active; -second and third compound from the second image are optically actives.