The image shows Hadrian’s Wall What can this image tell historians about the people who built the wall?

the amount of time they spent building the wall
the division of labor within their society
the kinds of tools and technology they used
the types of stones they used for their buildings

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