Answer:
Option A.
Step-by-step explanation:
He had little success in influencing Congress, is the right answer.
John Fitzgerald Kennedy served as the 35th U.S. President. He joined service in the profundities of the fourth major recession since the Second World War. His strategies did not match with that of the Congress, which means he had a very little success in influencing Congress. Due to this, efforts made by him against social injustices were often ineffective.