What did louis braille do to lose his sight?

Which underlying american value is being expressed by the passage of anti-discrimination laws? 1.equality 2.patriotism 3.individualism 4.conformity

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^^

Aperson who makes maps is called a mapper drawer cartographer