In response to the move by the governor of Arkansas to block the Little Rock Nine from attending high school, President Eisenhower

When Governor Orval Faubus used the Arkansas National Guard to block the Little Rock Nine, President Eisenhower placed the Guard under federal control and sent federal troops to protect the students. The troops escorted the students into Central High School and helped enforce the court-ordered integration. Thus, C is correct; Executive Order 9981 concerned desegregating the military, not Little Rock schools.

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