Explanation:
Mezzotint is a technique of engraving areas of tone rather than lines. In this method, the entire surface of the plate is roughened by a spiked tool called a rocker so that, if inked at that point, the entire plate would print in solid black. ....................Hope we can be friends :)
Answer:
OC, Maintaining Global Peace
Explanation:
United Nations organization was created to prevent future world wars.