Which is one reason that factory work was dangerous in the 1800s? O Machines were too difficult for workers to use.
There were not enough workers to operate large machines.
Most machines had few safety features,
O There were not enough machines to meet demand for products,

There were literally little to no safety features. Workers were torn apart if they went into a machine, or boiled if they fell into a vat. Not to mention, the smoke. It gave many lung cancer.

basic principles: federalism, separation of powers, checks and balances, judicial review, representative democracy, limited government, rule of law, individual rights and responsibilities, consent of the governed, majority rule, popular sovereignty, equal protection.

nations must cooperate to bring about and maintain world peace.

nations must not wage wars or commit war crimes in a desire to control other nations.

i think i know which options you have but if these aren't options let me know