The rulers of the West African kingdoms expanded their lands by A. conquering surrounding kingdoms
B. deforesting surrounding areas
C. making treaties with neighboring kingdoms
D. expanding their boundaries into the Sahara Desert

What benefits does this type of farming have?

Read the article about the fraser river, one of the most important rivers in canada. what is the most important species of fish in this river? why are the numbers of these fish declining?

To solve this system of equations by elimination, what operation could be used to eliminate the y-variable and find the value of x? 6x + 5y = 2 4x + 2y = 8 a) subtract 2 times the second equation from 3 times the first equation b) subtract 3 times the second equation from 2 times the first equation c) subtract 5 times the second equation from 2 times the first equation d) subtract 2 times the second equation from 5 times the first equation