What was the main reason why European countries formed the Common Market, and later the European Union? A | to have an alliance against the Soviet Union

B | to open Europe's elections to all countries' citizens

C | to form a united European military

D | to trade with each other more easily

D

Explanation:

the union's purpose 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, champion environmental protection, and, among others, promote goals like a competitive global market and social progress.

D

Explanation:

The common market was designed to eliminate internal trade barriers between the member countries, with the goal of economically benefitting all the member countries.

the compromise of 1850 was a package of five separate bills passed by the united states congress in september 1850, which defused a four-year political confrontation between slave and free states on the status of territories acquired during the mexican–american war