With from russia, serbia .
a. gained independence from the ottoman empire
c. gained autonomy within the ottoman empire
b. created a sense of nationalism in serbia
d. overthrew the ottoman emperor

With the help of Russia, Serbia gained autonomy within the Ottoman Empire. The correct option among all the options that are given in the question is option "c". Without the help from Russia, it would have been a very difficult task for the country of Serbia to gain autonomy within the Ottoman Empire.

Hi hi hi hi hi hi hi hi hi

The answer would be option a , b, and c.