3. Which of the following was a direct effect of the invention of the cotton gin? A)The invention of the steel plow
B)The spread of the plantation system into northern states
C) The development of the Lowell factory system in New England
D) The introduction of the factory system in the South

Which piece of legislation granted african americans the right to vote

How did a woman’s education differ from a man’s education prior to the mid-19th century? a.women’s schools were unsanitary. b.women’s teachers were inadequate. c.women’s opportunities were unequal. d.women’s schools were more expensive

7. how did the early egyptians use the flooding of the nile river to their advantage? they diverted the water to flood their enemy's lands and destroy their crops. they created an easier way to travel to the mediterranean sea and the indian ocean. they established a new water-based athletic event for the ancient olympics in greece. they devised an innovative irrigation system, which created a surplus of food.