Why is it important that the contribution of African America like Benjamin Banneker?

So they can support his idea and beleif.

Explanation:

Banneker made it a point to "freely and cheerfully acknowledge, that I am of the African race." Though not himself a slave, Banneker encouraged Jefferson to accept "the indispensable duty of those who maintain for themselves the rights of human nature," by ending the "State of tyrannical thraldom, and inhuman captivity . When the Bill of Rights was adopted in 1791, the liberties it provided were withheld from the hundreds of thousands of Africans living here in slavery. That same year, a free African-American, Benjamin Banneker, challenged the way blacks were seen and treated by whites in America in a public letter to Thomas Jefferson.

i discarded the supernatant and kept the pellet in this part of the experiment because you have to return all unused chemicals into their original containers at the end of each labratory.

explanation: