All of the following are true of the 1950's in America except:

the answer to your question is:

strong-mayor system

studies show tha in 7.5 billion years from now, the expanding sun will engulf, and destroy, the earth.

united states reinforcements contributed greatly to three allied victories in france at: cantigny (first major american battle), argonne (the largest in the united states military history, involving 1.2 million american soldiers), and château-thierry (one of the first actions under general pershing).