Why does mlk believe that non-violent tactics are most effective in bringing lasting change?

What principle did president truman invoke in sending u.s. troops into south korea without first asking congress to declare war?

Which of the following american companies had a monopoly in the late 1800s? a. deere and company b. sears, roebuck and company c. standard oil company d. general electric company

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