The Obama campaign in $2012$ used data analysis and experimental methods to build a winning coalition vote by vote.INSTRUCTIONS:Look for additional information on the use of data analytics in the $2016$ elections, particularly by the Obama group, to answer the following:$1.$ The importance of databases in managing information used in data analytics. a$.$ Why are they necessary? b$.$ What do databases facilitate in data management? c$.$ How do they impact geographically? d$.$ What barriers do they eliminate in terms of time, space, and volume?$2.$ In which areas of the Obama campaign did the use of data analytics broaden the understanding that determines how the vote is cast? a$.$ How much granularity does the use of databases and their tools allow?$3.$ Which decision$-$making processes were affected by the use of data analytics? a$.$ Mention the decisions and explain the effect and the reasons for choosing the solution.