In 1240 Sundiata seized and razed Kumbi, the former capital of the Sudanese empire of Ghana, and by this act succeeded in obliterating the last symbol of Ghana's past imperial glory. After 1240 Sundiata apparently led no further conquests but consolidated his hold on the states already under his control.
The correct answer here is A.
The Crusades did in fact united various different Muslim kingdoms against the Christian Crusaders. The Crusades were fought for the liberation of the Holy Land and it did not matter from which country the Muslims were there were in the land the Crusaders wanted to belong to Christians. Thus the different kingdoms put aside their differences and united.
They played the British empire and the French empire again st each other by sighing each others treaties both. This counterbalance both of the powers that if one tries conquer Thailand, the other will try to stop it.
scalawags were the term they gave them