Answer:
prevent the black students from entering the school, escort the black students into the school, closing all four of Little Rock’s public high schools
Explanation:
In 1957, in Little Rock, Arkansas, nine African-American students attempted to integrate the city’s high school. Because Governor Orville Faubus was up for reelection that year, he responded to the attempt by utilizing the state National Guard to prevent the black students from entering the school. President Eisenhower countered by sending in U.S. troops to escort the black students into the school. The governor countered that move by closing all four of Little Rock’s public high schools in the state.