Select the most appropriate option to fill in blank number 3.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. rooted.
The sentence describes how early nationalists did not rely on superficial appeals but instead used a rigorous analysis of modern imperialism.
The most appropriate word is rooted.
Rooted means to base something on a solid foundation, which fits well with the context of deep and thoughtful analysis.