Which region is located in western Texas

Midland & Odessa

Explanation:

The West Texas Region has two large focus areas in the cities of Midland (Midland County) and Odessa (Ector County). The Midland MSA has a population of approximately 171,000 (about 27 percent of the region and less than 1 percent of the state).

the fact that could also be added to column b is that during world war ii, specifically between the years 1941 and 1945, japan expanded its territory towards the indonesian territory in what was known later as part of the "pacific war". in that time, japan could conquer the philipines, singapore,   borneo, central java, malang, cebu, sumatra and various other islands of the area, therefore expanding its territory for a brief period of time.