Which was the reason for the personal rivalry between abraham lincoln and stephen douglas?

a.) lincoln owed a financial debt to stephen douglas.

b.) they had both courted the same woman, who married lincoln.

c.) they were both from the same state.

d.) lincoln and douglas competed for law clients.

The development of humans was directly dependent ondevelopment of a language.development of communication between people.e development of tools.litdevelopment of the wheel.

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.

Government powers not provided to the national government in the us constitution but are rather given to the states by the 10th amendment is called?