If Cuba were to enter into a trade agreement with an Asian country in the year 1903 without US approval, the Teller Agreement would be violated.
B. the people have the right to overthrow the government if it abuses its powers
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.