Answer:
The Mexico–United States barrier is a series of vertical barriers along the Mexico–United States border aimed at preventing illegal crossings from Mexico into the United States.
They thought it would learn slavery and lead to a new era
Well, fear is created when there is a threat. WW2 Had just ended, so of course America did not want any other nation to become more powerful than them, for the idea that it would end up being like Germany. Americans also wanted to protect democracy, so communism was a major threat to the USA and it's beliefs. Naturally, America wanted to prove dominance to the USSR, thus the beginning of the cold war.
In regard to gender issues in sub-Saharan Africa, generally speaking "<span>d. Women had more opportunities open to them than did their counterparts in other societies," although this depended slightly on the specific region and time in question. </span>