On what major issue was James K. Polk's 1844 presidential campaign centered? A. the freeing of the slaves B. the annexation of Texas C. the annexation of California D. the repeal of the Missouri Compromise

B. the annexation of Texas

Explanation:

He focused on territorial expansion of the United States thus annexation of Texas was a key issue for his campaign during that era.

 The correct answer is :  Bangladesh is located in South Asia. Its territory is surrounded almost entirely by India and to the southeast there is a small part that borders Burma.

Explanation:  Bangladesh is located in the fertile part of the Ganges river delta. After its independence Bangladesh suffered food shortages, poverty, natural disasters and military coups.