The perceived grievances of al-Qaeda against the United States and its allies include all of the following except "<span>c. U.S. failure to support the mujahideen in their war against the Soviet Union," since in fact the US did support this group. </span>
This shows that they were very clever to make a stone wall. This makes trying to bring down the wall harder most likely make enemy think not to attack them.
Answer:
The Black Codes were laws passed by southern states after the Civil War denying ex-slaves the complete civil rights enjoyed by whites and intended to force blacks back to plantations and impoverished lifestyles.
Explanation: