Why is it important to use a democratic method of choosing someone for a position of authority ?

During the 1960s, how did the neural movement promote the chicano movement

Which of these played the biggest role in increased urbanization in the late 1800s? a) transportation improved b) the military was stronger c) no one was farming anymore d) steam power was discovered

What happened 10 million years ago? if u answer, u get 50 ! plz answer ; -;