Which motor city experienced high unemployment following the energy crisis in the 1970's?

Explain the importance of carnegie, morgan, and rockefeller on the american political scene of the early 1900's.

What important discovery was made by edmond halley and alexis clairaut, using newton's ideas of mathematics and gravity? they created the scientific method to outline how science should be conducted. they were able to find the orbit of a comet and predict the year of its return. they discovered the three newest planets--uranus, neptune, and pluto. they explained why objects appear to have color.

Which statement best describes nelson mandela.