Why did people move out of the indus valley in 1500 BC

Around 530 a.d., emperor justinian organized a group of legal scholars to collect and organize all roman law into written form. the justinian codex was created because justinian wanted to strengthen his large empire with

Which sentence describes william henry harrison's contribution to the us efforts in the war of 1812? a. he was responsible for securing the us coast against british warships. b. he successfully kept the american indians out of the war against britain. c. he defeated the american indian forces at the battle of the thames. d. he was responsible for building an alliance with the creek tribe. e. he successfully kept the british army from entering washington dc.

This is the belief that a nation must develop and maintain a strong military force in order to pursue and defend its national interests.