The following argument appears in the Declaration of Independence:
People give their governments their power to rule.
Source: " ... to secure these rights, Governments are instituted among Men, deriving their just powers from the consent of the governed" (Declaration Of Independence, Paragraph 2).
The economic activity first affected by the Industrial Revolution was agriculture.
The principle of (separation of powers) means that each branch of government is limited by powers of other branches. The principle of (federalism) means that power is distributed between state and national governments.