McLean was a retired major in the Virginia militia but, at age 47 he was too old to return to active duty at the outbreak of the Civil War. He made his living during the war as a sugar broker supplying the Confederate States Army.
The blockade of West Berlin was counteract by the establishment of a massive airlift with supplies from the United States, France and the United Kingdom in 1948 and 1949. The right answer is C.
