A Trade barrier are laws that limits free trades between countries or nations, An Embargo are type of laws that specifically cuts off trades, it may be import or export into specific countries. Either of these answers fit your question.
Answer:
sharing duties and privileges of membership in the polis. being a citizen meant that you are legally belonged, had certain political rights
Explanation:
You are a Spanish explorer or you work for a Spanish explorer. You might be a Spanish conquistador, depending on the year.
Answer:
Microsociology
Explanation:
Based on the scenario being described within the question it can be said that this is most likely part of the field of Microsociology. This field studies the everyday human social interactions that exist within a society on a very small scale as opposed to the social aspects of a large population. In other words it deals with 1 on 1 interactions between humans. As in this scenario.