Answer:
Organizational encoding
Explanation:
The use of organizational encoding will probably lead to better recall of words when participants in a memory study are presented with words that belong to one of four categories (e.g., insects, beverages) instead of being presented with words that have no apparent relationship to one another.
B, Bartholomeu Dias is the right answer
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.
The primary purpose of the European union is to promote peace, establish a unified economic and monetary system, promote inclusion and combat discrimination, break down barriers to trade and borders, encourage technological and scientific developments, and champion environmental protection.