Correct Answer: Baleful

Solution : The correct choice is the first option .

Malign means causing or intending to cause harm or evil in nature. Baleful means threatening to do something bad or to hurt someone, making it a synonym for malign .

The meanings of the other options are as follows:

• An insurgent is someone who is fighting against the government in his own country.
• Radicals express the belief that there should be extreme social or political change.
• Nihilistic is connected with the belief that all political and religious organisations are bad.