congress
The judicial branch checks on the legislative to ensure that they are passing laws that are constitutional. The executive branch checks the legislative by having the veto power. Vetoing means he can refuse to sign a bill and send it back to the house or senate.
the president can refuse to sign any law proposed by the congress
The Legislative Branch
If there is a legal question about who was elected as President, it is resolved by the Supreme Court (this happened in the 2000 election).
The US Senate can refuse to confirm appointments to the Judicial Branch.
The executive branch checks the legislative branch primarily through the power of veto. When Congress passes legislation, the President can refuse to sign it into law, effectively blocking it. Additionally, the President can influence legislation through the power to propose bills and budget priorities, as well as the ability to issue executive orders, which can shape how laws are implemented. This interplay ensures that no single branch becomes too powerful.
The Legislative branch, specifically the Senate
No "special" powers, they simply refuse to act on the bill and let it die.
The executive branch is responsible for decisions on foreign treaties.
No, the president cannot refuse to enforce a court ruling. The principle of checks and balances in the U.S. Constitution requires the executive branch to uphold and enforce the decisions made by the judicial branch.
If you refuse a job and the government finds out you can lose your unemployment entitlements.
The veto