Answer:
It is the branch of scince and engineering deboted to designing,producing,and using structures,device,and systems by manipulating atoms and molecules
Explanation:
The Northwest Ordinance set several important precedents. It established that unlike many nations, which left their new territories in a position inferior to the old, the United States would admit new states to the Union on an equal basis with the original states.
Answer:
The 15th Amendment granting African American men the right to vote was adopted into the U.S. Constitution
Explanation:
<span>The civil service system and the merit system both hired the </span>government workers, based on their examinations and qualifications.