Generally speaking, in the United States, conformity and the consumer culture of the 1950s were both supported by "economic prosperity," since for the first time in a while, people had the means to purchase luxury goods. <span />
Feudalism is as dualism; therefore, dual federalism is a situation where two governments participate in a power of sovereignty in different areas. However, this is a rare occurrence since it affects fewer countries, such as Hong Kong.
The dual feudalism is the government that holds a federalist relationship together with other governments along with other simultaneous connections with a similar government. It can also mean three governments are sharing sovereignty power intended to rule certain areas or maintaining the specific laws.
It would be the second or third option for the forest question and the Missouri compromise for the second question
During the plague, many believed that if they let immigrants into their nation, a major outbreak could occur. However, nearly all places in the world were affected by the disease anyways. (Except for American Samoa, who refused to let anyone on the island)