Answer:
John Foster Dulles was an international lawyer and US Secretary of State and was known for his strong stance against communism all over the world.
The major factor was false instinct of threat.He concluded there was a threat where there was none. If we had removed the troops immediately at the end of World War I , the so called threat would have disappeared.
The US and Britain formed an alliance and attacked Russia towards the end of World War I .They thought the revolutionary Bolsheviks would be too disorganized to accomplish a successful military regime and Russia could be split between them.
I think that the best answer is
<span>B people were not careful about preventing waste and contamination, although one could also find good arguments in favour of A and C.
A big problem was that oil was very easy to find, so people didn't protect every source and were often wasteful, letting the oil spill to the ground.
Taking precautions to prevent pollution is always more costly than not doing it, so it could be argue that this did not change, and is therefore not applicable as an answer to this question.</span>
Im pretty sure its the equater but i might be wrong
