How does nominating convention relate to politics

Population growth during the gilded age was due in large part to unemployment among workers. an improved food supply. better health care. immigration to the united states.

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 statement from the declaration of independece best reflects the enlightment ideas of popular sovereignty