Answer:
The scientific method.
Explanation: . . . . . . . .
The Korean War was the second war in which the United Nations played a military role. The correct option among all the options given in the question is the second option. It was the toughest test for the United Nations after its inception. It was clear that the United Nations forces sent to Korea was dominated by American soldiers, but several other countries did participate in it.
The response was that the government should not interfere with the market since it would ensure the prosperity of everyone in the long run.
The 19th century was known for government wanting to meddle in the affairs of the market because the second half of the century, after the civil war, marked the beginning of the reconstruction and the beginnings of the progressive age when the government wanted to meddle in the market and protect the workers who unionized more and more.
Answer:
potassium-argon dating
Explanation:
potassium-argon dating is used based on the decay of radioactive potassium 40, argon 40, it even goes to calcium 40 in any minerals
