The harnessing of electricity radically transformed American business since this meant that power from electricity could power lightbulbs, which were far more effective than candles and other sources, and that electricity could be used to power machines that increased efficiency.
In one short, succinct statement Justice George Sutherland altered the relationship between Congress and the executive branch. “The President [operates] as the sole organ of the federal government in the field of international relations,” he wrote in the United States Supreme Court’s decision of U.S. v. Curtiss-Wright Export Corporation<span>. Whereas the Constitution lays out distinct, delegated powers to Congress, such as the power to declare war and the power to ratify treaties, and to the executive, primarily the role of the president as Commander-in-Chief, Justice Sutherland’s statement altered the relationship between the two aforementioned branches. Suddenly, the executive branch had a legal precedent with which to become the leading force in foreign policy and upon which it could fall back on if actions are legally challenged.</span>
The Americans were huge areas of fertile land, and the European powers needed people to work on its fields. African slaves were a cheap and abundant solution.
Answer:The Board of supervisors has the executive power (governing the country, creating policies and overseeing departments - the last one is true at least in Los Angeles) but it also has legislative powers and even some judicial powers..