Mark each statement if it describes a muslim achievement in science and mathematics. a. muslim mathematicians introduced geometry to the world. b. ibn sina collected medical knowledge into a book that was used for centuries in europe. c. few people outside the arabian peninsula knew of the wonders of muslim medicine. d. muslim scholars made some advances in science and mathematics, but they could not surpass the accomplishments of european scholars in the same time period

abraham lincoln, according to anyone who was connected with agriculture, represented the worst of northern politicians. shortly after lincoln was elected, south carolina seceded from the union. they along with other southern states, retained their anger. in a way, it was their own fault: the democrats were split in the south. some wanted slavery to be extended in other states that were about to join the union and some didn't want it badly enough. lincoln had a solid backing from his party: the republicans were united in not wanting slavery to be expanded.