The U.S. Constitution begins with the preamble "We the People," signifying the government derives its power from the citizens.
The Lewis and Clark expedition, commissioned by President Jefferson, was intended to explore and map the vast land acquired through the Louisiana Purchase and establish trade with Native Americans.
Coal is a natural resource because it is extracted from the Earth. Factories, money, and computers are human-made resources.
The legislative branch, composed of Congress, is responsible for creating and passing laws. Interpreting laws is the judicial branch's role, and enforcing laws is the responsibility of the executive branch.
Rivers provided early civilizations with water for agriculture, transportation, and trade, which were crucial for their development and sustainability.
