Answer:
Muslim scholars contributed not only to the use of logic in the development of mathematical ideas and relationships, but also to a workable system of numeration that included zero and led to the solution of equations.
A civilization is a group of similar people that are together for posterity. The establishment of a civiliation was caused by the tribal warfare of the stone age, the people did not want to live under constant fear of death, and thusly grouped together, built up the militarty and eventrall progressed into what we have today
Different secondary sources might make contradictory claims about the same event because B) People have different interpretations of primary sources. Secondary sources are often quite subjective, meaning that they can come from a biased perspective, and this can affect the outcome and the claims of the issue at hand.
Answer:
In the late 1800s, the focus of the american federation of labor was work hours, safety, and the right to organize.
The American Federation of Labor (AFL) constituted a national federation of labor unions existing in the United States founded in Columbus, Ohio, in December 1886 by an alliance of craft unions disaffected from a national labor union known as the Knights of Labor. It was the largest union grouping in the United States for the first half of the 20th century.
