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.

Which of these belongs to the united states after the spanish american war ?

Which of the following documents influenced the u. s. constitution? select all that applythe magna cartadeclaration of sentimentsthe english bill of rightsfederalist writingsanti-federalist writingsthe french constitution

The first map shows colonial powers and their holdings (1945). the second map shows human development worldwide. compare the two maps. what do the maps indicate about regions that gained independence in the second half of the twentieth century? they differ in their development patterns. they are as developed as their colonial powers. they are more developed than their colonial powers. they remain less developed than their colonial powers.