"<span>B). the fear among U.S. policy makers that if communism succeeded in Vietnam, it would sweep through the rest of the region" is correct. This theory was at the core of the idea of containment. </span>
Answer:
What new technology did the Qin Dynasty invent? Qin Shi Huangdi also standardized written language, money, systems of measurement, and the sizes of cart axles, built the beginnings of the great wall, and expanded on systems of roads and canals.
Explanation:
The answer to this is is Spain, France, and the Netherlands.
I think thats the answer. They helped the united states and Canada.
C. phyllite is the intermediate between slate and schist.