Which of the following statements is correct?

Statement A- Nepal and Bhutan have had disagreements in the past over the migration of ethnic Nepalese into Bhutan.

Statement B- Bangladesh and Nepal have had some differences over the future of the Himalayan river waters.

Both statements are correct.

The correct answer is Option 3 - Both statements are correct.

Statement A- Nepal and Bhutan have had disagreements in the past over the migration of ethnic Nepalese into Bhutan.

Statement B- Bangladesh and Nepal have had some differences over the future of the Himalayan river waters.

Nepal and Bhutan, as well as Bangladesh and Myanmar, have had disagreements in the past over the migration of ethnic Nepalese into Bhutan and the Rohingyas into Myanmar, respectively. Bangladesh and Nepal have had some differences over the future of the Himalayan river waters.The major conflicts and differences, though, are between India and the others, partly because of the geography of the region, in which India is located centrally and is therefore the only country that borders the others.