The legislature is the arm of government that is charged with the responsibility of making laws and they work closely with the executive arm of government. The leader in the diagram that plays the most crucial role in shaping the legislation that the president wants passed is;
The Speaker of the House coordinates the legislators who debate on and pass bills. When the President has major decisions to make in the economy, he presents these to the legislators.
They now debate over this and the Speaker of the House coordinates these discussions. After the discussion, he passes the bill if it meets up to the standards of the constitution.
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