Answer:
A,b,c
Explanation:
too much plowing of the grasslands causes light soil which was picked up by the high winds in order to cause the dust bowl
D is the answer. I've learned about these things like slavery in my class before.
Answer:
The answer my good friend is Andrew Carnegie. :)
Explanation:
Add those numbers up and subtract 200 and that value
Constantinople was a Christian city from which the Crusaders marched on Jerusalem.
Hope this helps!
