Answer:
how available money is to spend
Answer: it helped them in decision making
Made wealth for the kingdom
United the kingdom
Explanation:
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The EEC was created in 1957 by the Treaty of Rome, which was signed by Belgium, France, Italy, Luxembourg, the Netherlands, and West Germany. The United Kingdom, Denmark, and Ireland joined in 1973, followed by Greece in 1981 and Portugal and Spain in 1986.