Why did the United States believe the domino theory applied to Vietnam?

A. because Vietnam shared a border with ChinaB. because Vietnam received support from CubaC. because Vietnam had colonial ties to FranceD. because Vietnam was allied with North Korea

answer; i believe the two groups were irish immigrants and chinese immigrants;

on this day in 1913, henry ford installs the first moving assembly line for the mass production of an entire automobile. his innovation reduced the time it took to build a car from more than 12 hours to two hours and 30 minutes.

polisit can also mean a body of citizens. in modern historiography, polis is normally used to indicate the ancient greek city-states, like classical athens and its contemporaries, and thus is often translated as "city-state". the body of citizens came to be the most important meaning of the term polis in ancient greece.