Why was the phalanx an effective military tool? a) citizens could become soldiers in times of war b) bronze weapons were stronger than copper c. a wall of shields allowed each soldiers to be protected d) being on horseback allowed for faster travel

What words in the preamble to the constitution reflect the principle of popular sovereignty

Which of the following discoveries would be most likely to cause a scientific paradigm shift? a. the discovery of more rings around uranus b. the discovery of a new pathogenic virus transmitted by mosquitoes c. the discovery that a dormant volcano is showing signs of activity d. the discovery of a new species of salamander in the amazon rainforest e. the discovery that excess heat is radiating from the center of the earth and causing global climate change

Which of the following best describes the reason the state department is interested in foreign exchange programs?