What contribution did al-khwarizmi make to the world of mathematics?
a. he developed the formula and process used to make persian rugs.
b. his work became the basis for algebra.
c. he created the number system based on chinese number system.
d. he determined the formula for finding the hypotenuse of a right triangle.

Instead of being thirteen republics, under a federal head, [the federalists’ plan] is clearly designed to make us one [unified] government. . whether such a change can ever be [made] in any manner; whether it can be [made] without convulsions and civil wars; whether such a change will not totally destroy the liberties of this country—time only can determine. –the federal farmer what best summarizes the point of view the excerpt expresses? in time, one unified government will run the country. the federalists prefer thirteen republics to one unified government. one unified government probably will not lead to disruptions and civil wars. under one unified government, people will be robbed of their freedoms.