B) The surrender of Detroit
<span>Conquests gave empires more room to expand their cultures and peoples. It gave them more land to explore and more resources to find, which could then be used to fund future expeditions and conquests. The cycle continued as more land was picked up, more people were subjugated, and more resources were procured.</span>
The monarchy and the autocracy both have a head. The head is one of the powerful group. As they continue as leaders they would become a stronger group altogether. So basically one leader of the two groups that controls everything and is the most powerful one.