Maurya Empire and Gupta Empire are the most significant but there has been more than that.
Hope this helps!
The representatives consisted of the Clergy and the Nobility.
<span>Over time, groups adapted to changing conditions and developed new tools and habits.
</span>
Sundiata took over Ghana.
Mansa Musa brought Muslim scholars, artists, and teachers to Mali.
Mali became the center of trans-Saharan trade.
Songhai overtook Mali.
The primary difference in debate over expansion during these time periods was that the Civil War had come and gone--meaning in 1890 the debate was over whether new states would be slave or free, while in the 1890s it was about economic issues.