Answer:
Sierra Nevada, also called Sierra Nevadas
April 4, 1968: Martin Luther King Jr. was shot and killed outside the Lorraine Motel where he was staying in Memphis. He had come there to support sanitation workers in their strike. More than 300,000 attended his funeral. Today, the restored Lorraine Motel has been transformed into the National Civil Rights Museum.
The United States failed to provide adequate support.
The main cause was the Stock Market Crash of 1929.
economic idk specifically what u mean by effective but in effective in damage there was a lot to be rebuilt after the war and the cost of bullets and guns was bad to