European monarch united scandinavia in 1388

What is the purpose of the system of checks and balances

What amendment limits the government's power to take away individual liberties -first -second -ninth -all of the above

Humans during the paleolithic era used fire for each of the following purposes except a. for cooking meat b. for use as a weapon c. for heat and warmth d. for treating animal hides select the best answer from the choices provided