What do you mean by natural number? knock knock anyone here from my following??

Historians are concerned with the accuracy of their writings and readings but are also aware of the inability of authors to know every angle of every story biases, perspectives, beliefs, and a variety of other differences history being told by one person at a time no one being totally accurate, as hard as we try really need on this, and you^^

Government powers not provided to the national government in the us constitution but are rather given to the states by the 10th amendment is called?

The civil rights act that passed in 1964