Which of these innovations was made possible by alexander graham bell?

What invention ended the way of life for cowboys and plains indians?

Which was not part of the debate over going to war? a. president james madison tried to avoid war but was convinced by those who wanted it. b. new england ship builders wanted to go to war to save their buisnesses. c. most westerners and some southerners wanted to go to war to gain land. d. war hawks said they could march into canada and take britain's territory.

Although a number of things brought about world war one there was one even that push to europe over the edge. what was that event?