Carnegie could cut his costs because he owned the supply of raw materials and the means of production and distribution
Explanation:
Carnegie started Carnegie Steel and wound up one of the wealthiest individuals in the United States. Carnegie used his riches to help improve mankind through the philanthropies he set up in logical, informative and social establishments. Today in spite of all that we benefit by various people of the selfless causes he set up including Carnegie - Mellon University developed in the mid-1900s.
Because B.C stands for Before Christ and A.D means the year of our lord so historians took a turn from the traditional christian time method and made it B.C.E (before common era) and C.E (common Era)
