People in mesopotamia increased the amount of food they produced by using
a.

irrigation
b.

chemical fertilizers
c.

tractors and machinery
d.

steel plows

What was henry frick's main strategy for stopping the homestead strike

Explain why hitler had over 6 million jewish people killed during the holocaust and what did it hope to accomplish

Develop your own point of view on whether the us should have expanded its borders. use information from the lesson and the maps to explain your opinion. give at least two reasons for your point of view and answer the following in complete sentences.