One way the american foreign policy was shaped is The Korean War. For the first time, Americans went into battle to implement containment.<span> </span>
The best option from the list would that "<span>C. Factories employed more people, including women and children, for lower wages and longer hours," since the supply of labor was so great. </span>
B) The Supremacy Clause states that no judge can contradict federal law.
This means that the The US Constitution and the laws made in accordance with it by the federal government are the supreme law of the land, and cannot by contradicted. The only exception is the power of judicial review, held by the Supreme Court, to strike down laws declared unconstitutional. This actually is not a real exception though, because it indicates that the law did not comply with the Constitution in the first place.