The presence of many ethnic groups
Answer: Logically it would be A
Explanation:
Federalism limits government by creating two independent powers--the national government and state governments--by that/in that way limiting (or holding down) the influence of both. Separation of powers (forces (on people)/causes an inconvenient situation) internal limits by dividing government against itself, giving different branches separate functions and forcing them to share power.
A problem that is caused by a disease or treatment of a disease and may continue for months or years.
Hopefully it will help
A financial precipice is a mix of lapsing tax breaks and no matter how you look at it government spending slices booked to end up plainly compelling Dec. 31, 2012. The thought behind the financial bluff was that if the national government enabled these two occasions to continue as arranged, they would detrimentally affect an effectively insecure economy, maybe sending it once more into an authority recession as it cut family unit earnings expanded unemployment rates and undermined purchaser and speculator certainty
It recognized that government policy had inhibited the practice of Native American religions, including access to sacred sites and use of sacred objects and materials.
i hope i helped