Answer:
The correct answer is D. The Supremacy Clause ensures that the U.S. Constitution overrules each state constitution.
Explanation:
The Supremacy Clause provides for the Constitution and laws of the United States, as well as international treaties concluded by the United States, to be the supreme law of the country. This clause also obliges state judges to be governed by the US Constitution, laws, and international treaties, even if individual state constitutions and laws are contrary to federal law. State constitutions also recognize the supremacy of the US federal constitution. The Supremacy Clause is contained in Article VI of the US Constitution.
During the McCarthy era, Julius and Ethel Rosenberg were executed for allegedly giving atomic secrets to the Soviet Union. They were executed on June 19, 1953.
People such as John Locke, (who the colonists looked up into his writing), believed that people were born with natural rights, such as life, liberty, and property. The colonists in America believed similar, and got inspiration from what John Locke wrote in a book.
The Transcontinental Railroad was also instrumental in putting thousands of people to work, and also they were instrumental in transporting cattle and resources in much more efficient ways.