Answer:
Cannot pass laws that contradict
Explanation:
Here are the hierarchy of government in United States from the one that has the least supremacy to the one that has the most supremacy.
Local government < State government < Federal government.
The US political system enable all three governments to create their legislations . But if the legislations that are made are contradicting one another, the constitution stated that the legislations made by the government with more supremacy should be prioritized.
Sorry if this is late but
Democracy is a way of life as it helps spread equality amongst humanity and allows everyone to have equal opportunities
Hope this helps:)
The 19th century figure that is known for opening Japan to US trade is :
Mathew Perry
he was a commodore of United States navy that opened japan US Trade
hope this helps