Prior to the mid-nineteenth century, farm work in America was often done by hand with little technological advancement. After this time, inventions such as the mechanical reaper, steel plow and cotton gin resulted in the - a. decreased use of slave labor. b. need for labor unions. c. need for agricultural schools. d. increased efficiency of production.​

Arrange the ancient dynasties in the order in which they existed. xia shang zhou reset next

Political rights for women grew most rapidly on the western frontier primarily because (1) the settlers were influenced by native american indian societies (2) women greatly outnumbered men in the west (3) pioneer life often required men and women to share responsibilities equally (4) immigrants settling in the west brought ideals of gender equality from europe

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