Look at the following map. In which region did a nonviolent protest movement help a nation overthrow an oppressive European colonial
government to establish a democracy during the 20th century?

Looking at the map, the  region that did a nonviolent protest movement that helps the nation overthrow an oppressive European colonial government to establish a democracy during the 20th century is option D

Explanation:

Option D showed the region India. Indian under the leadership of the like of Mahatman Gandhi led so many peaceful and nonvioient protests against the colonial rule of Britain.

For example: the 1930 – Salt Satyagraha in India is a nonviolent protest to overthrow British colonial rule

Also in 1942 – the quit India movement demanding immediate independence for India from British rule is a nonviolent protest.

Hence, Looking at the map, the  region that did a nonviolent protest movement that helps the nation overthrow an oppressive European colonial government to establish a democracy during the 20th century is option D

arresting and exicuting citizens

i really do want to but i just don't know it i'm so sorry : (