What is Col. Park's view on the role of a secret intelligence agency in a democratic society? PLEASE HELP:)

The development of humans was directly dependent ondevelopment of a language.development of communication between people.e development of tools.litdevelopment of the wheel.

What was one cause of the decembrist revolt? a. the desire for a constitutional monarchy b. the need for workers’ reforms c. the creation of a new railway line d. the outcome of the crimean war

Which best describes the impact of the crusades on european exploration?