Answer:
Import and export tarrifs.
Explanation:
Lind's experiments at sea tested some potential cures for scurvy. His experiments were important because he discovered the use of citrus fruit as a cure for scurvy. It ranks as one of the first clinical experiments in the history of medicine.
D. southeast Asia
Vietnamese culture is uniquely its own but has a lot of Chinese influence
Impressment refers to the act in which men were captured and forced into naval service. While many nations at various times in history have employed a policy of impressment, the term is usually used in reference to Great Britain's Royal Navy
There were many causes of the crusades including political, economic, and religious factors. However, the crusades were a major conflict between European Christian forces and Muslim armies from Western Asia who fought for control of the Holy Lands that had importance to both Christians in Muslim. The control of these lands brought power, prestige, religious importance, and also economic gains to whichever force controlled these lands.
