How is it that crop yields increased in the decades after world war ii despite the number of farms decreasing? a. the growth of bio-engineering proceeded new types of high-yield crops. b. cotton began to replace corn as the united states' main agricultural export. c. mechanization decreased the number of farmers needed to work land. d. demand for u. s. crops forced more efficient use of existing farmland.

Who was one of the greatest playwrights in the world , composing such classics ans macbeth, romeo and juliet, and henry v a. william shakespeare b. francis drake c. sir walter raleigh d. edmund spenser

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.

What was the mame given to the idea that americans should expand across the nation ro the pacific coast