How do U. S. citizens participate in international organizations?

answer; /// i believe that the correct answer is ; /// renaissance,printing press, age of exploration and protestant reformation;

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.

what is the question you are trying to ask?

answer; /// the above statement is (true);