What best describes the purpose of additives?

What current managers have won World Series as managers? How did george stephenson impact on peoples lives? How many Jehovah's Witnesses died during Holocaust? Who struck out batting the most in one year? Which amendments states that the people have other rights that are not spacifically stated in the constitution? What are the names of the heads that were in the canopic jars? What is the importance of English in everyday life? Is there a quote from Giovanni da Verrazano? What Tariff led to retaliatory tariffs in countries? Main things that happened at pearl harbor? How did exploration start? Why did the etruscans their temples to face east? What is a major belief of nationalists? What do the colors green red and black mean to black people? What is the name of the Muslim leader who defeated the Roman empire and how this could happen? Who was caught red handed trying to blow up parliament in 1605? Who ended a slave revolt lead by Spartacus at the end of the Roman Republic? Where to mail form 940 with a payment in the state of Louisiana? How did John Smith from Pocahontas die? What are facts about the biplanes?