In an array that has many possible matches of a search value, the most efficient strategy is to place the items first.

In an array that has many possible matches of a search value, the most efficient strategy is to place the most common items first. Most search engines do this by picking out the most popular or majority of words you searched and finding items that match it closely and list them in order of relevance. This helps eliminate time wasted on searching through information that wasn't directly related to the search. 

The federal reserve took an expansionary approach during the crisis. this was done by expanding the money supply and boosting liquidity. this can be seen in the fed's actions of lending to banks, purchasing securities, and lowering the federal funds rate in order to lower overall interest rates. the fed's goal was to increase consumer spending and overall liquidity within the system, and they pursued this by expanding the supply of liquid money.