The u. s. government is a system, separating national powers between the executive and
legislative branches. the u. s. government is also a system, sharing power among different
levels of government.
federal
unitary
parliamentary
confederal *
presidential

Correct The U.S government is a system.

brainliest is someone you pick by simply clicking a button. it only shows up if there are two people that answered your question, then you decide who answer more accurately with detail and explanation and you give that person the title "brainliest".

i hope this your understandings.