To spur trade, cormoran, brithea, and asmakush decided on economic integration where there were no barriers to trade between the three countries, they agreed on a common external trade policy, and allowed factors of production to move freely between the three countries. in short, the three countries formed a

Answer: an economic union

An economic union refers to an agreement between two or more countries to allow all goods and services, and factors of production to move across their borders without any restrictions.

The countries that are party to such an agreement also have a common external trade policy.

Usually the countries participating in an economic union will have their own currencies.