Which of the following choices has been a continual source of Indian protest music since ancient times? women's rights
military policies
access to education
right to religious equality

The answer is "women's rights"

Explanation:

A protest song is a tune that is related with a development for social change and thus part of the more extensive class of effective tunes (or tunes associated with recent developments). It could be society, traditional, or business in type.

Among social developments that have a related assemblage of tunes are the cancellation of movement, women's suffrage, human right movement, the common liberties development, social equality, the counter war development and 1960s nonconformity, the women's activist development, the sexual transformation, the gay rights development, basic entitlements development, vegetarianism and veganism, weapon control, and environmentalism.

protest songs are frequently situational, having been related with a social development through setting.

it would be  

germany had to pay all damages related to the war.

and i think

germany had to take sole responsibility for the war.