In Southeast Asia, Europeans encouraged rich local landlords to grow rice on the paddies that spanned the region's rivers. Southeast Asia is a very important cultivator for rice.
I would say (A) seems like the most logical answer
It started with the National defence act in 1919. Which allowed the school to loan equipment from the military. This also gave them access to military personal. Then the vitalization act of 1964 replaced the active military personal with retired ones. It also added the other branches of the military not just the airforce.
Answer:The Mexican-American War was a conflict between the United States and Mexico, fought from April 1846 to February 1848. ... It stemmed from the annexation of the Republic of Texas by the U.S. in 1845 and from a dispute over whether Texas ended at the Nueces River (the Mexican claim) or the Rio Grande (the U.S. claim).