Which of the following is the key difference between a mixed-market economy and a planned economy

What new concept did the the american revolution introduce into the world

What happened when spain’s government could not overcome social and economic problems during the great depression? citizen groups revolted against the government. the head of the government gave his resignation. a new leader seized control from the military rulers. the army led a rebellion against the government.

What is the shaking of the earth 's surface due to sudden movements called?