When a law is contrary to the constitution , it is called ?

What do you think was a drawback to this method of calculating distance

Is this statement true or false? before 1850, workers in american mines, mills, and factories were poorly paid, but their safety on the job was always protected by strict laws.

What spanish colony gained its independence in part due to the efforts and sacrfice of a village priest named father hidalgo? a. argentina b. venezuela c. mexico d. peru answer asap