For a free market economy, having no external regulation over the prices and production of goods (in terms of amount of goods) other than those exhibited by the market itself is usually considered to be the main characteristic.
The main way in which Roosevelt changed the role of the U.S. president during the New Deal is that he became extremely "active" in the US economy and social structure--in that through the New Deal the federal government played an unprecedented role in helping the economy recover from the Great Depression.
He became king at 1792 b.c.e
He thought that it addressed and solved the key problems in America such as: Direct Taxation, Destruction of the States, the establishment of an aristocracy, Standing Army in Time of Peace, Abolition of Trial by Jury, Lack of a Bill of Rights, and the difference between the states and the federal government.
Answer: B is correct.
Explanation: there were many who wanted to follow isolationism arguing that the war was problem of Europeans, there were also those (many Americans were of European origin with their roots in different corners of the Old continent). Situation changed and USA (country of European origin and roots) entered the war and continued engaged in (especially) European security policy.