Answer:
Ghana, Mali, And the Songhai empire all had trade in common as the primary lifeblood of their civilizations.
I would say that the opera component for a solo performance is called ARIA.
This is an elaborated song for a solo voice, just one voice. It can be written for the main character focusing on his/her emotions.
The term means "air" in Italian and it is connected to a melody by performed by a singer. It might be accompanied by an orchestra.
Lack of incentive - The lack of incentive among the colonists to complete important tasks led to the tasks not getting done. Many settlers were "gentlemanly" - Since most of the settlers considered themselves "gentlemanly", they considered the hard work of a settler "beneath" them and consequently did not get most of the basic things needed to survive done.
Expectations of finding gold - The expectations of finding gold (and mining it) led to people neglecting things such as gathering food, setting up shelter, etc. Location - The location that the settlers chose to settle in at was great for defending against naval incursions but terrible for living conditions. Bad Relations with Natives- The relations with the local Native Americans(which were all mistakenly grouped up into the Powhatan Indians) were not as good as they could be; if they had had a better relationship they could have traded for food and/or shelter which could have led to lower mortality rates
