The best answer is C.
The south depended too much on the plantation system and slave economy which was labor intensive as opposed to the north which was rapidly becoming mechanized , with production of agricultural products and manufacture of goods creating a major economic stride forward.
Though they produced two thirds of the world's cotton, the south had little manufacturing capability. They only had about 29% of the railroad tracks and only 13% of the nation's banks.
Free states attracted the vast majority of the waves of European immigrants. The North had 23 million people as compared to 9 million in the south which negatively impacted the southern economy but positively impacted the northern economy.
The permanent legacy of the crusades includes of having the
deep bitterness between the Muslims and Christians and that they have continued
and flourished of having to have and maintain commercial contact between the
Muslim people and the European people.
A. Osama Bin Laden, aided by the Taliban, his in Afghanistan after the 9/11 attacks. Is the answer I'm pretty sure.
