That it was too large for the Union to conquer.
The answer is B united provinces of central america
Governor Orval Faubus.
EXPLANATION
On September 2, 1957, Governor Orval Faubus announced that he would call in the Arkansas National Guard to prevent the African-American students' entry to Central High, claiming this action was for the students' own protection.
They would not leave the tennis court until they successfully come up with a constitution for France.
