This question is weird...The Africans were slaves. So they provided slavery between American colonies, European colonies and the Caribbean
<span>The Byzantine Empire made its most important contribution to us by preserving much of the Greco-Roman heritage. Given the fact that the Emperors of Byzantine saw and maintained a great deal of their origins from the later Roman Empire, they managed to preserve major institutions such as the Senate, rules of law, etc.</span>
<span>The speeches promised significant reforms for greater economic </span>
