What is infrastructure? A. Maps used to decide where to place key transportation routes
B. Basic systems needed to support a society, such as roads and a water supply
C. Lists that show which government leaders are responsible for certain tasks
D. New advances in technology that lead to rapid growth and change

The sixth amendment of the u.s. constitution guarantees the right to which of the following?

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.

Which of these events was a severe setback for the u.s. war effort in the pacific?