I think there were 3,000 union casualties.
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.
The correct answer is D. Solemn
Explanation
The tone is the name of the literary technique by which the writings convey to the reader their emotions and point of view regarding the topic that is being treated in the text. Also, a solemn tone refers to the tone that is intended to celebrate or highlight something in particular of text displayed as something extraordinary, with a script adorned with majestic words that make the reader as if they were facing something incredible, for example "he had an unbearable smell of the outdoors, the back side of his wings was strewn with parasites and his main feathers had been mistreated by terrestrial winds". According to the above, the text has a solemn tone because the author refers to this episode as a fantastic event. So, the correct answer is D. Solemn.