What role do cabinet-level agencies play in the budget-making process?

they must counsel the president whether or not to veto the budget.

they must decide if they want to challenge what congress gives them.

they must submit budget estimates to the president to get the process started.

they must get the process started by telling the president if they can function on the budget that is given to them.

They must submit budget estimates to the President to get the process started.

Explanation:

The Congress prepares a federal budget for the next fiscal year. The fiscal year of the Federal Government begins on October 1 and extends during a calendar year until September 30 of the following year. The process begins in the Executive Branch the year before the budget enters into force:  

The President sends his budget proposal to Congress at the beginning of the following year after receiving the proposals of the agencies through OMB. Then the Congress, which is responsible for determining the cost and acquire debt by decree of the Constitution, begins its work.

julius caesar turned the roman republic into the roman empire by coming in and taking the "dictator" role during the time of a civil war (elites vs lower classes) winning battles and reputation, then declaring him dictator for life

hope this : )

it increase by 12% a year from 1812-1820