The director sent an e-mail that requested you to conduct some research and provide an explanation of the terms that the Department of Homeland Security (DHS) uses to define the following DHS missions:Preventing terrorism and enhancing securityManaging U.S. bordersAdministering immigration lawsSecuring cyberspaceEnsuring disaster resilienceThe director has requested an analysis and recommendation of which mission area is currently the most critical and where she should concentrate her efforts. You must ensure that your recommendation is fully justified in your explanation.