Which of these roman developments resulted in the ability to build larger and more stable structures?
a) aqueduct
b) arch
c) columns
d) stairs

Who memorized the design for the water frame in order to smuggle the plans to the united states? a) james hargreaves b) edward cartwright c) samuel slater d) richard arkwright

Which were the most important issues during the presidential election of 2008? a.economic downturn and environmental protection b.two overseas wars and economic downturn c.two overseas wars and campaign spending d.environmental protection and campaign spending

Historians point to a number of reasons that the american revolution was successful. explain why the united states was able to secure independence. in your answer, be careful to detail one of the major reasons why the founders were able to win the war while elaborating on a major british advantage that they were able to overcome.