I beleive that the answer is agriculture
The chinese constructed roads, waterways, and harbours, as well as improved their agricultre
The Iroquois confederacy was an alliance
between many of the Indian groups in the
northeastern part of what is now the united states
<span>Prince, born as Prince Rogers Nelson, is the singer who wrote the song Nothing Compares 2 U, performed famously by Sinead O'Connor.</span>
Reliable is you answer, hope this helped