A body of fundamental principles or established precedents according to which a state or other organisation is acknowledged to be governed
On May 11, 1846, President James Polk updated Congress on recent events concerning Texas. The emissary he sent to Mexico with an offer of cash in exchange for disputed lands was rudely rebuffed. Then, Mexicans opened fire on Americans at the Rio Grande River, killing 16. "War exists," Polk declared.
Well to be honest the answers out of a and c is a good choice but what I think to me is answer c
The end result of the Vietnam War was the reunification of the two parts of Vietnam: today North and South Vietnam are one country.
Another result was that Vietnam (and Laos) are today communist countries.
Another result was the complete withdrawal of American military forces from the region.
