1. October 1962 – President Kennedy sent over 500 U. S. Marshalls to Oxford, Mississippi to protect James Meredith and enforce a court ruling that required the University of Mississippi to admit the first African American student in the school's history.

Answer is in the photo. I can only upload it to a file hosting service. link below!

cutt.ly/rzNrBcz

explanation:

there are two statements that are incorrect.

1. the marshall plan was a lend lease program. it was an economic plan that europe redevelop itself after wwii.

2. einstein didn't really do anything to further the allied cause in building the bomb. he merely sent a letter to fdr telling him (in 1939) that if the united states entered the war, perhaps it would be wise to build the bomb before germany did. i would say this answer is incorrect, but when america entered the war 2 years later, fdr thought it might be a good idea to take einstein's advice.

the 4th choice is definitely so wrong that is likely the single answer of this question

c. the dred scott v. sandford case,