Complete this magazine article by putting the verb in brackets into

Complete this magazine article by putting the verb in brackets into either the Past Simple or Past Perfect. In one case only the Past Perfect can be used, in five cases only the Past Simple can be used and in six cases both are possible.
THE DANES SAY NO
On 28 September 2000 the people of Denmark (1) .. (vote) No to joining the single European currency, the euro. All the main political parties, that trades unions, the employers and the media (2) .. (campaign) for a Yes vote before the referendum. So why (3) .. (the Danes/ reject) the euro?
Lets look first at the economic background. For many years the Danish central bank (4) .. (be)
committed to keeping the value of the krone stable against the German mark, and this policy (5) .. (be) very successful in maintaining stability and prosperity. Then the euro was launched the countries in the euro zone (6) .. (perform) relatively well in economic terms. However, by the time of the referendum the euro (7) .. (fall) significantly against the dollar, and the central banks of the USA
and Japan (8) .. (be) forced to intervene in the foreign exchange markets to buy euros.
But the No campaign (9) .. (focus) on national identity, not economic issues. In the end the Danes (10) .. (make) their decisions because they (11) .. (fear) that economic integration would eventually lead to political integration. They (12) .. (want) to keep their independence and freedom.