Answer:
Islamic mathematicians quickly adopted the Indian system of numerals, which we know today as Arabic numerals. Other contributions included creating algebra, the use of decimals, mathematical induction, and trigonometry, among others.
Answer: set the U.S.- Canada border
It was clearly stated in the Treaty of 1818 which also widen or expanded the United States that the U.S. - Canada border must be set at the 49th parallel. Treaty 1818 is also popularly known as "the convention respecting fisheries, boundary and the restoration of slaves". This marks a reset in the old borders and practices of the U.S.
C. Facilitating the settlement of a case before it goes to trial is the correct answer:) good luck!!
That would be the Monarchs and the Catholic Church. Hope this helps you :-)
