Type of democracy where citizens elect leader to represent them in government

Why is the united states a constitutional republic? why is china, which has a constitution, not one? compare the forms of government in the united states and china.

Newspaper started by john campbell:

50 ! kate is 14 years old and just started taking dance classes with her friends at a local dance studio. this is her first time in a dance program, so everything is new to her. her friends convinced her to join the class since they have been enjoying it for a few months. how could the following terms her succeed in the dance class? ● secondary reinforcement ● identity vs. role confusion ● observational learning how could the following terms hinder her success in the class? ● circadian rhythm ● basal ganglia ● vestibular sense