Was acentronile or chloroform used during ww1?

How was rockefeller able to build his monopoly across the oil industry? he found newer and cheaper ways to refine oil, increasing his profits. he confined his business to ohio so he could buy all the refineries there. he bought up oil refineries, cut costs, and reinvested his profits in other refineries. he began to sell kerosene as well as oil, expanding his market.

Why did anne frank feel that the germans were the enemy?

What was new about the writing system developed by the phoenicians, and why was this important to the growth of knowledge and spread of ideas?