Answer: What builds up the federal government is the legislature, executive and judiciary.
Explanation:
What builds up the federal government is the legislature, executive and judiciary. The legislature proposes the law, this is the category where the US Congress falls, the judiciary evaluates the law, this category has the supreme and other court, while the Executive passes the law, this has the President the vice and cabinet members carrying out this duty. The structure is very effective as all respective positions understand when and where to carry out their task, they do have conflicts in decision, especially when they are of contrary opinion but they consider the best for the masses.