Twenty-six nations of moonland region, have decided to cooperate with one another to eliminate trade barriers among them and create the moonland union. they are not sure, however, to what extent they want to cooperate. if these twenty-six nations continue to eliminate all barriers to trade among themselves and set a common trade policy against non members, they would create a . free trade areab. economic unionc. customs uniond. common market

b. economic union

Explanation:

Economic union -

It is a form of trade bloc , which is made up of a common market with a customs union , is known as economic union .

Where the participant countries have some common policies on the regulation of the product , factors of production , services , freedom of the movement of the goods  and product regulations .

hence , From the question information , the cooperate tries to create an economic union .

the number of senators, and representatives, the state has in congress.

answer; ///i believe the correct answer is (b) the writing of the ancients who lived in india after the indus valley inhabitants died out;