Who was known for the electric telegraph?
a.) george stephenson
b.) john mcadam
c.) samuel morse
d.) robert fulton

Why have some historians rejected the labels bc and ad as laels for periods in world history

Which statement describes the impact of the 21st amendment?

Match each idea to the correct principle of government. federalism separation of powers checks and balances divides the powers of government into different branches arrowright divides the powers of government between central and state governments arrowright each branch of government has certain powers that prevents the abuse of power on the people arrowright