The way that Islam was able to cross the Sahara desert in the Eight century is :
Muslim merchants from north Africa followed trading routes through the Sahara desert
And they spread Muslim's teaching during the trading process
hope this helps
The answer is no because the American culture wasent living in the time of the generation of the Africans but was born when the American and the African generation
So you could put something like...
he is a trustworthy good american soldier that put his life on the line to aid america and use that to tell why he would be good
The continents that borders those is antártica asia and north America
