From which world regions do most of today's immigrants come to the the u. s.a.?

How did president bush respond to environmental damage to louisiana in 2005? a.the president established a base in the state to personally coordinate the rescue effort. b. the president sent the united states navy to evacuate the new orleans before the storm hit. c.the president provided no assistance to the state because governor blanco did not request assistance. d. the president called for the department of homeland security to solve the issue.