1. How did the study of Mathematics help the Harrapans to engineer successful
sewer systems? Is Math helpful when you are trying to create something new?
Explain in 2 paragraphs.

macon. i believe thats the answer

sorry if im wrong.

roosevelt believed that in light of the country's recent military successes, it was unnecessary to use force to achieve foreign policy goals, so long as the military could threaten force. this belief, and his strategy of “speaking softly and carrying a big stick,” shaped much of roosevelt's foreign policy.

the answer would more than likely a.)falling crop prices  

hope the answer is right and ,either way have a nice day.