Answer:
This is the answer of your question.
Answer:
Feudalism
Explanation:
The system defining hierarchical system based on land ownership, protection & mutual obligation : is called as Feudalism.
It emerged in ancient history of Europe.
It consists of nobility class (land owners), known as 'lords'. They recompense knights, vessels & serfs - by granting them piece of land (called fiefdoms) return of which the latter fight for the former.
D Pearl Harbor because if they knocked out as many ships as possible they wouldn’t be able to fight in wwll
