What is ONE way the Rio Grande river affected the development of Texas? A. it serves as a transportation route between East Texas and northern Mexico.
B. it creates a natural boundary between Texas and Mexico.
C. it supplies a wealth of raw materials for Texas and Mexico.
D. it provides the only source of water for West Texas and northern Mexico.

a option is correct q is correct

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.

study of past cultures