What was one important way that william howard taft's policies differed from theodore roosevelt's?

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?

What event started the space race and made americans feel their security was threatened a.) alan shepard's suborbital flight. b.) the launch of sputnik c.) the launch of explorer d.) the cuban missle crisis

The development of england as a nation-state occurred because of increasing?