Answer:
The law that applies to situations where state and federal laws disagree is called the supremacy clause, which is part of article VI of the Constitution [source: FindLaw]. ... Basically, if a federal and state law contradict, then when you're in the state you can follow the state law, but the fed can decide to stop you.
Answer:
Petroleum was used as fuel as early as the fourth century BC.
Explanation:
Answer:
A democracy. An example of a country who uses this is the United States of America
