<span>it helped the islamic empire expand without using violence. </span>
The Belgian mechanic and inventor is credited with building the first working internal combustion engine in 1860 was, A) Jean Lenoir. It was a gas fired internal combustion engine and was the first engine to be produced multiple times.
One such definition would be "concurrent power", since in most federal, national governments, power is shared between the federal government and the smaller (usually state) governments.