Jonathan Walters and Donald Kettl contend that the failure of government to effectively respond to the Hurricane Katrina disaster was largely the result of

a. extreme corruption in the New Orleans city government.
b. extreme corruption in the Louisiana state government.
c. major incompetence in the Bush administration.
d. failure to adequately coordinate the actions of national, state, and local agencies.

d. failure to adequately coordinate the actions of national, state, and local agencies.