Answer:
Tribute
Explanation:
A tribute may be regarded as a gift or a statement which is intended to show respect or gratitude to some body.
It may be also defined as the payment done by some nation to another nation or country in acknowledgement of power or for protection provided from one country to another country.
In the context, China collected many tributes under Ming dynasty in the form of wealthy gifts and exotic goods from her neighboring countries such as Korea, Vietnam and Japan.
Anna<span> O. was the pseudonym of a patient of Josef Breuer, who published her </span>case<span>study in his book Studies on Hysteria,</span>
The feeling that Oscar is going to have an accident if he does not circle his car five times before he gets in it represents an obsession.
The term obsession denotes a psychological state, a state of mind of being obsessed with someone or something <span>with an often unreasonable idea. In this case the idea is unreasonable because circling the car five times does not have anything to do with making or not an accident.</span>
Kg is the basic unit of mass. Hope this helped!