Question

the senate can approve or reject treaties that the president has worked out with other nations. which arrow stands for this check?

Explanation:

The problem is about the system of checks and balances in the US government, specifically the Senate (part of the Legislative branch) checking the Executive branch (president) on treaties. To identify the arrow, we look for the arrow from Legislative to Executive related to treaty approval/rejection. Assuming the diagram has three branches: Executive (president), Legislative (Congress/Senate), and Judicial. The arrow representing Legislative (Senate) checking Executive (treaty power) would be from Legislative to Executive for this check.

Answer:

(Assuming standard checks and balances diagram: The arrow from the Legislative branch (where Senate is) to the Executive branch (president) that represents the Senate's power over treaties. If diagram labels: e.g., if Legislative is one circle, Executive another, the arrow from Legislative to Executive for treaty check.)