The internal combustion engine was an innovation of

The internal combustion engine was invented be D Etinenne Lenoir

the story goes that because of this belief, constantine was able to defeat his foes. constantine became an ardent1 christian. christianity and other religions were tolerated under constantine's rule. constantine also was responsible for the building of a great cathedral in rome.

should be the answer hope this

a. competition with other nations.