Which of the following questions promote critical thinking skills among students?
(A) In what ways imperialism affected the colonized nations ?
(B) What are the disadvantages of child marriage ?
(C) Which part of the Constitution is related to freedom ?
(D) Which are the factors that helped people to unite and develop the spirit of nationalism?

Correct option is B

Questions that promote critical thinking skills among students include: (A) In what ways imperialism affected the colonized nations, (B) What are the disadvantages of child marriage, and (D) Which are the factors that helped people to unite and develop the spirit of nationalism. These questions encourage students to analyze, evaluate, and synthesize information, which are key aspects of critical thinking.