$7.$ According the $2020$ census bureau $,$ about what percentage of the population considered themselves to be native american $,$ an alaska native or both $?$

A$.8\%$

B$.12\%$

C $.5\%$

D $.2\mathrm{.}9\%$

$8.$ One of the challenges with the veterans health care system is :

A $.$ Better coordination of short and long $-$ term care

B$.$ Racial disparities

C $.$ Reducing the number of uninsured veterans

D$.$ All of the answer choices