Answer:
Franklin Delano Roosevelt's VETO POWER would have allowed him to appoint additional justices to the Supreme Court and so secure a majority favorable to him. However, Congress rejected Roosevelt's attempt to upset the checks and balances.
Step-by-step explanation:
In the constitution of America, the president of the country is imbibed with Veto power to implement some of his policies which he felt is good for the citizens whether it was endorsed by the congress or not.
Notwithstanding, some of the policies or actions carried out under veto power needs to be ratified by the congress before it can be implemented. this is to maintain check and balances. And, also, to prevent the president from abusing his powers.